%0 Journal Article %A Drápal, Aleš %T Latin squares and partial groupoids [Abstract of thesis] %J Commentationes Mathematicae Universitatis Carolinae %D 1990 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1990__31_1_a31/ %G en %F CMUC_1990__31_1_a31