TY - JOUR AU - Chajda, Ivan AU - Zelinka, Bohdan TI - Weakly associative lattices and tolerance relations JO - Czechoslovak Mathematical Journal PY - 1976 SP - 259 EP - 269 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101397/ DO - 10.21136/CMJ.1976.101397 LA - en ID - 10_21136_CMJ_1976_101397 ER -