%0 Journal Article
%A Pondělíček, Bedřich
%T On permutability in semigroup varieties
%J Mathematica Bohemica
%D 1991
%P 396-400
%V 116
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.1991.126027/
%R 10.21136/MB.1991.126027
%G en
%F 10_21136_MB_1991_126027