TY - JOUR AU - Zelinka, Bohdan TI - Representation of undirected graphs by anticommutative conservative groupoids JO - Mathematica Bohemica PY - 1994 SP - 231 EP - 237 VL - 119 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126168/ DO - 10.21136/MB.1994.126168 LA - en ID - 10_21136_MB_1994_126168 ER -