%0 Journal Article
%A Chajda, Ivan
%T On the existence of non-trivial tolerances in permutable algebras
%J Czechoslovak Mathematical Journal
%D 1990
%P 598-600
%V 40
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102413/
%R 10.21136/CMJ.1990.102413
%G en
%F 10_21136_CMJ_1990_102413