%0 Journal Article %A J. Dudek %T On universal algebras having bases of different cardinalities %J Colloquium Mathematicum %D 1979 %P 111-114 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-42-1-111-114/ %R 10.4064/cm-42-1-111-114 %G en %F 10_4064_cm_42_1_111_114