%0 Journal Article
%A Chajda, Ivan
%T Every at most four element algebra has a Mal'cev theory for permutability
%J Mathematica slovaca
%D 1991
%P 35-39
%V 41
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a5/
%G en
%F MASLO_1991__41_1_a5