%0 Journal Article %A Ježek, J. %A Kepka, Tomáš %T Quasetrivial and nearly quasitrivial distributive goupoids and semigroups %J Acta Universitatis Carolinae. Mathematica et Physica %D 1978 %P 25-44 %V 19 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1978__19_2_a5/ %G en %F AUCMP_1978__19_2_a5