Author: Kepka, Tomáš

Ježek, J.; Kepka, Tomáš: Extensive varieties. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 16 (1975), issue 2, pp. 79-87
Kepka, Tomáš: $\Lambda$, $R$-transitive groupoids. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 16 (1975), issue 2, pp. 71-77
Kepka, Tomáš: Normal congruence relations on division groupoids. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 16 (1975), issue 2, pp. 89-95
Bican, L.; Jambor, P.; Kepka, Tomáš; Němec, P.: Stable and costable preradicals. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 16 (1975), issue 2, pp. 63-69

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