%0 Journal Article
%A Porubský, Štefan
%T Commutative semi-primary $x$-semigroups
%J Czechoslovak Mathematical Journal
%D 1977
%P 467-472
%V 27
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101483/
%R 10.21136/CMJ.1977.101483
%G en
%F 10_21136_CMJ_1977_101483