TY - JOUR AU - Ježek, Jaroslav TI - Equational theories of some almost unary groupoids JO - Commentationes Mathematicae Universitatis Carolinae PY - 1986 SP - 421 EP - 433 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1986__27_3_a0/ LA - en ID - CMUC_1986__27_3_a0 ER -