%0 Journal Article %A Chajda, Ivan %T Varieties having distributive lattices of quasiorders %J Czechoslovak Mathematical Journal %D 1991 %P 85-89 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102436/ %R 10.21136/CMJ.1991.102436 %G en %F 10_21136_CMJ_1991_102436