@ARTICLE{polynom9,
    TITLE = {{P}rime Representing Polynomial with 10~Unknowns},
    AUTHOR = {P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {30},
    NUMBER = {{\bf 4}},
    PAGES = {255--279},
    YEAR = {2022},
    DOI = {10.2478/forma-2022-0021}
}



@ARTICLE{hilb10_8,
    TITLE = {{P}rime Representing Polynomial with 10~Unknowns -- {I}ntroduction.  Part II},
    AUTHOR = {P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {30},
    NUMBER = {{\bf 4}},
    PAGES = {245--253},
    YEAR = {2022},
    DOI = {10.2478/forma-2022-0020}
}



@ARTICLE{hilb10_7,
    TITLE = {{P}rime Representing Polynomial with 10~Unknowns -- {I}ntroduction},
    AUTHOR = {P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {30},
    NUMBER = {{\bf 3}},
    PAGES = {169--198},
    YEAR = {2022},
    DOI = {10.2478/forma-2022-0013}
}



@article{hilb10_6,
    TITLE = {Prime {R}epresenting {P}olynomial},
    AUTHOR = {P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {29},
    NUMBER = {{\bf 4}},
    PAGES = {221--228},
    YEAR = {2021},
    DOI = {10.2478/forma-2021-0020}
}


@ARTICLE{classes3,
    TITLE = {Grothendieck {U}niverses},
    AUTHOR = {P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {28},
    NUMBER = {{\bf 2}},
    PAGES = {211--215},
    YEAR = {2020},
    DOI = {10.2478/forma-2020-0018}
}



@ARTICLE{aimloop,
    TITLE = {{AIM} Loops and the {AIM} Conjecture},
    AUTHOR = {Brown, Chad E. and P\k{a}k, Karol},
    JOURNAL = {Formalized Mathematics},
	ISSN = {1426-2630},
	EISSN = {1898-9934},
    VOLUME = {27},
    NUMBER = {{\bf 4}},
    PAGES = {321--335},
    YEAR = {2019},
    DOI = {10.2478/forma-2019-0027}
}




@ARTICLE{hilb10_5,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{F}ormalization of the {MRDP} Theorem in the {M}izar System},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2019},
      DOI     = {10.2478/forma-2019-0020}
      VOLUME  = {27},
      PAGES   = {209--222},
      NUMBER  = {{\bf 2}}}



@ARTICLE{hilb10_5,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{F}ormalization of the {MRDP} Theorem in the {M}izar System},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2019},
      DOI     = {10.2478/forma-2019-0020}
      VOLUME  = {27},
      PAGES   = {209--222},
      NUMBER  = {{\bf 2}}}


@ARTICLE{hilb10_4,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{D}iophantine Sets. {P}art {II}},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2019},
      DOI     = {10.2478/forma-2019-0019}
      VOLUME  = {27},
      PAGES   = {197--209},
      NUMBER  = {{\bf 2}}}


@ARTICLE{hilb10_3,
      AUTHOR  = {Acewicz, Marcin and P\k{a}k, Karol},
      TITLE   = {Basic Diophantine Relations},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2018},
      DOI     = {10.2478/forma-2018-0015}
      VOLUME  = {26},
      PAGES   = {175--181},
      NUMBER  = {{\bf 2}}}


@ARTICLE{hilb10_2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Diophantine sets. {P}reliminarie},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2018},
      DOI     = {10.2478/forma-2018-0007}
      VOLUME  = {26},
      PAGES   = {81--90},
      NUMBER  = {{\bf 1}}}


@ARTICLE{hilb10_1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {The {M}atiyasevich {T}heorem. {P}reliminaries},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2017},
      DOI     = {10.1515/forma-2017-0029}
      VOLUME  = {25},
      PAGES   = {315--325},
      NUMBER  = {{\bf 4}}}


@ARTICLE{pelle_eq,
      AUTHOR  = {Acewicz, Marcin and P\k{a}k, Karol},
      TITLE   = {The {P}ell's {E}quation},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2017},
      DOI     = {10.1515/forma-2017-0019}
      VOLUME  = {25},
      PAGES   = {197--204},
      NUMBER  = {{\bf 3}}}



@ARTICLE{basel_2,
      AUTHOR  = {P\k{a}k, Karol and Korni\l{}owicz, Artur },
      TITLE   = {Basel {P}roblem},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2017},
      DOI     = {10.1515/forma-2017-0014}
      VOLUME  = {25},
      PAGES   = {149--155},
      NUMBER  = {{\bf 2}}}


@ARTICLE{basel_1,
      AUTHOR  = {Korni\l{}owicz, Artur and P\k{a}k, Karol},
      TITLE   = {Basel {P}roblem - {P}reliminaries},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2017},
      DOI     = {10.1515/forma-2017-00013}
      VOLUME  = {25},
      PAGES   = {141--147},
      NUMBER  = {{\bf 2}}}


@ARTICLE{polyvie1,
      AUTHOR  = {Korni\l{}owicz, Artur and P\k{a}k, Karol},
      TITLE   = {Vieta's {F}ormula about the {S}um of {R}oots of {P}olynomials},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2017},
      DOI     = {10.1515/forma-2017-0008}
      VOLUME  = {25},
      PAGES   = {87--92},
      NUMBER  = {{\bf 2}}}


@ARTICLE{leibniz1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{L}eibniz {S}eries for $\pi$},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2016},
      DOI     = {10.1515/forma-2016-0023}
      VOLUME  = {24},
      PAGES   = {275--280},
      NUMBER  = {{\bf 4}}}


@ARTICLE{eulrpart,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{E}uler's {P}artition {T}heorem},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2015},
      DOI     = {10.1515/forma-2015-0009}
      VOLUME  = {23},
      PAGES   = {93--99},
      NUMBER  = {{\bf 2}}}


@ARTICLE{flexary,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{F}lexary {O}perations},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2015},
      DOI     = {10.1515/forma-2015-0008}
      VOLUME  = {23},
      PAGES   = {81--92},
      NUMBER  = {{\bf 2}}}


@ARTICLE{mfold_0,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{T}opological {M}anifolds},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2014},
      DOI     = {10.2478/forma-2014-0019}
      VOLUME  = {22},
      PAGES   = {179--186},
      NUMBER  = {{\bf 2}}}


@ARTICLE{ballot_1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{B}ertrand's {B}allot {T}heorem},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2014},
      DOI     = {10.2478/forma-2014-0014}
      VOLUME  = {22},
      PAGES   = {119--123},
      NUMBER  = {{\bf 2}}}
    

@ARTICLE{brouwer3,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{B}rouwer {I}nvariance of {D}omain {T}heorem},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2014},
      DOI     = {10.2478/forma-2014-0003}
      VOLUME  = {22},
      PAGES   = {21--28},
      NUMBER  = {{\bf 1}}}


@ARTICLE{tietze2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{T}ietze {E}xtension {T}heorem for $n$-dimensional {S}paces},    
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2014},
      DOI     = {10.2478/forma-2014-0002}
      VOLUME  = {22},
      PAGES   = {11--19},
      NUMBER  = {{\bf 1}}}


@ARTICLE{friends1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{T}he {F}riendship {T}heorem},
      JOURNAL = {Formalized Mathematics},
      ISSN    = {1426-2630},
      EISSN   = {1898-9934},
      YEAR    = {2012},
      DOI     = {10.2478/v10037-012-0028-7},
      VOLUME  = 20,
      PAGES   = {235--237},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrtop3,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{T}he {R}otation {G}roup},
      JOURNAL = {Formalized Mathematics},
      ISSN = {1426-2630},
      EISSN = {1898-9934},
      YEAR    = {2012},
      DOI     = {10.2478/v10037-012-0004-2},
      VOLUME  = 20,
      PAGES   = {23--29},
      NUMBER  = {{\bf 1}}}


@ARTICLE{brouwer2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Brouwer {F}ixed {P}oint {T}heorem in the {G}eneral {C}ase},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2011},
      DOI     = {10.2478/v10037-011-0024-3},
      VOLUME  = 19,
      PAGES   = {151--153},
      NUMBER  = {{\bf 3}}}



@ARTICLE{simplex2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{B}rouwer {F}ixed {P}oint {T}heorem for {S}implexes},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2011},
      DOI     = {10.2478/v10037-011-0023-4},
      VOLUME  = 19,
      PAGES   = {145--150},
      NUMBER  = {{\bf 3}}}


@ARTICLE{rlaffin3,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Continuity of {B}arycentric {C}oordinates in {E}uclidean {T}opological {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2011},
      DOI     = {10.2478/v10037-011-0022-5},
      VOLUME  = 19,
      PAGES   = {139--144},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrtop2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{L}inear {T}ransformations of {E}uclidean {T}opological {S}paces. {P}art {II}},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2011},
      DOI     = {10.2478/v10037-011-0017-2},
      VOLUME  = 19,
      PAGES   = {109--112},
      NUMBER  = {{\bf 2}}}


@ARTICLE{matrtop1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{L}inear {T}ransformations of {E}uclidean {T}opological {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2011},
      DOI     = {10.2478/v10037-011-0016-3},
      VOLUME  = 19,
      PAGES   = {103--108},
      NUMBER  = {{\bf 2}}}

	
@ARTICLE{simplex1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{S}perner's {L}emma},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2010},
      DOI     = {10.2478/v10037-010-0022-x},
      VOLUME  = 18,
      PAGES   = {189--196},
      NUMBER  = {{\bf 4}}}

				
@ARTICLE{rlaffin2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{T}he {G}eometric {I}nterior in {R}eal {L}inear {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2010},
      DOI     = {10.2478/v10037-010-0021-y},
      VOLUME  = 18,
      PAGES   = {185--188},
      NUMBER  = {{\bf 3}}}

			
@ARTICLE{simplex0,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{A}bstract {S}implicial {C}omplexes},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2010},
      DOI     = {10.2478/v10037-010-0013-y},
      VOLUME  = 18,
      PAGES   = {95--106},
      NUMBER  = {{\bf 1}}}


@ARTICLE{rlaffin1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {{A}ffine {I}ndependence in {V}ector {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2010},
      DOI     = {10.2478/v10037-010-0012-z},
      VOLUME  = 18,
      PAGES   = {87--93},
      NUMBER  = {{\bf 1}}}


@ARTICLE{topdim_2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Small {I}nductive {D}imension of {T}opological {S}paces. {P}art {II}},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2009},
      DOI     = {10.2478/v10037-009-0027-5},
      VOLUME  = 17,
      PAGES   = {219--222},
      NUMBER  = {{\bf 3}}}

				
@ARTICLE{topdim_1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Small {I}nductive {D}imension of {T}opological {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2009},
      DOI     = {10.2478/v10037-009-0025-7},
      VOLUME  = 17,
      PAGES   = {207--212},
      NUMBER  = {{\bf 3}}}


@ARTICLE{metrizts,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Basic {P}roperties of {M}etrizable {T}opological {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2009},
      DOI     = {10.2478/v10037-009-0024-8},
      VOLUME  = 17,
      PAGES   = {201--205},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrixj1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Block {D}iagonal {M}atrices},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0031-1},
      VOLUME  = 16,
      PAGES   = {259--267},
      NUMBER  = {{\bf 3}}}


@ARTICLE{vectsp11,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Eigenvalues of a {L}inear {T}ransformation},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0035-x},
      VOLUME  = 16,
      PAGES   = {289--295},
      NUMBER  = {{\bf 4}}}


@ARTICLE{matrlin2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Linear {M}ap of {M}atrices},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0032-0},
      VOLUME  = 16,
      PAGES   = {269--275},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrixj1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Block {D}iagonal {M}atrices},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0031-1},
      VOLUME  = 16,
      PAGES   = {259--267},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrix15,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Solutions of {L}inear {E}quations},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0012-4},
      VOLUME  = 16,
      PAGES   = {81--90},
      NUMBER  = {{\bf 1}}}


@ARTICLE{compl_sp,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Complete {S}paces},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2008},
      DOI     = {10.2478/v10037-008-0006-2},
      VOLUME  = 16,
      PAGES   = {35--43},
      NUMBER  = {{\bf 1}}}


@ARTICLE{matrix13,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Basic {P}roperties of the {R}ank  of {M}atrices over a {F}ield},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2007},
      DOI     = {10.2478/v10037-007-0024-5},
      VOLUME  = 15,
      PAGES   = {199--211},
      NUMBER  = {{\bf 4}}}


@ARTICLE{laplace1,
      AUTHOR  = {P\k{a}k, Karol and Trybulec, Andrzej},
      TITLE   = {Laplace {E}xpansion},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2007},
      DOI     = {10.2478/v10037-007-0016-5},
      VOLUME  = 15,
      PAGES   = {143--150},
      NUMBER  = {{\bf 3}}}


@ARTICLE{matrix11,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Basic {P}roperties of {D}eterminants  of {S}quare {M}atrices over a {F}ield},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2007},
      DOI     = {10.2478/v10037-007-0003-x},
      VOLUME  = 15,
      PAGES   = {17--25},
      NUMBER  = {{\bf 1}}}


@ARTICLE{catalan2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {The {C}atalan {N}umbers. {P}art {II}},
      JOURNAL = {Formalized Mathematics},
      YEAR    = {2006},
      DOI     = {10.2478/v10037-006-0019-7},
      VOLUME  = 14,
      PAGES   = {153--159},
      NUMBER  = {{\bf 4}}}


@ARTICLE{card_fin,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Cardinal {N}umbers and {F}inite {S}ets},
      JOURNAL = {Formalized Mathematics},
      URL     = {http://fm.mizar.org/2005-13/pdf13-3/card_fin.pdf},
      YEAR    = {2005},
      VOLUME  = 13,
      PAGES   = {399--406},
      NUMBER  = {{\bf 3}}}


@ARTICLE{stirl2_1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {Stirling {N}umbers of the {S}econd {K}ind},
      JOURNAL = {Formalized Mathematics},
      URL     = {http://fm.mizar.org/2005-13/pdf13-2/stirl2_1.pdf},
      YEAR    = {2005},
      VOLUME  = 13,
      PAGES   = {337--345},
      NUMBER  = {{\bf 2}}}


@ARTICLE{nagata_2,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {The {N}agata-{S}mirnov {T}heorem. {P}art {II}},
      JOURNAL = {Formalized Mathematics},
      URL     = {http://fm.mizar.org/2004-12/pdf12-3/nagata_2.pdf},
      YEAR    = {2004},
      VOLUME  = 12,
      PAGES   = {385--389},
      NUMBER  = {{\bf 3}}}


@ARTICLE{nagata_1,
      AUTHOR  = {P\k{a}k, Karol},
      TITLE   = {The {N}agata-{S}mirnov {T}heorem. {P}art {I}},
      JOURNAL = {Formalized Mathematics},
      URL     = {http://fm.mizar.org/2004-12/pdf12-3/nagata_1.pdf},
      YEAR    = {2004},
      VOLUME  = 12,
      PAGES   = {341--346},
      NUMBER  = {{\bf 3}}}