T-quasigroups (Part I.) P. Němec; Tomáš Kepka — 1971 Acta Universitatis Carolinae. Mathematica et Physica
Quasigroups whose regular mappings are automorphisms Tomáš Kepka; P. Němec — 1979 Acta Universitatis Carolinae. Mathematica et Physica
Unipotent quasigroups Tomáš Kepka; P. Němec — 1977 Acta Universitatis Carolinae. Mathematica et Physica
T-quasigroups (Part II.) Tomáš Kepka; P. Němec — 1971 Acta Universitatis Carolinae. Mathematica et Physica
The category of totally symmetric quasigroups is binding Jaroslav Ježek; Tomáš Kepka; P. Němec — 1978 Acta Universitatis Carolinae. Mathematica et Physica
Commutative zeropotent semigroups with few prime ideals Jaroslav Ježek; Tomáš Kepka; P. Němec — 2011 Commentationes Mathematicae Universitatis Carolinae We construct an infinite commutative zeropotent semigroup with only two prime ideals.