%0 Journal Article %A Chajda, Ivan %T Algebras whose principal congruences form a sublattice of the congruence lattice %J Czechoslovak Mathematical Journal %D 1988 %P 585-588 %V 38 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102254/ %R 10.21136/CMJ.1988.102254 %G en %F 10_21136_CMJ_1988_102254