%0 Journal Article
%A Fabrici, Imrich
%T Principal two-sided ideals in the direct product of two semigroups
%J Czechoslovak Mathematical Journal
%D 1991
%P 411-421
%V 41
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102475/
%R 10.21136/CMJ.1991.102475
%G en
%F 10_21136_CMJ_1991_102475