%0 Journal Article
%A Schwarz, Štefan
%T A theorem on normal semigroups
%J Czechoslovak Mathematical Journal
%D 1960
%P 197-200
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100403/
%R 10.21136/CMJ.1960.100403
%G en
%F 10_21136_CMJ_1960_100403