%0 Journal Article %A Chajda, Ivan %A Zelinka, Bohdan %T Weakly associative lattices and tolerance relations %J Czechoslovak Mathematical Journal %D 1976 %P 259-269 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101397/ %R 10.21136/CMJ.1976.101397 %G en %F 10_21136_CMJ_1976_101397