%0 Journal Article
%A Chajda, Ivan
%A Rachůnek, Jiří
%T Relational characterizations of permutable and $n$-permutable varieties
%J Czechoslovak Mathematical Journal
%D 1983
%P 505-508
%V 33
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101905/
%R 10.21136/CMJ.1983.101905
%G en
%F 10_21136_CMJ_1983_101905