%0 Journal Article %A Ježek, Jaroslav %A Kepka, Tomáš %T The equational theory of paramedial cancellation groupoids %J Czechoslovak Mathematical Journal %D 2000 %P 25-34 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2000__50_1_a3/ %G en %F CMJ_2000__50_1_a3