%0 Journal Article
%A Wallace, A. D.
%T Relative invertibility in semigroups
%J Czechoslovak Mathematical Journal
%D 1961
%P 480-482
%V 11
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1961.100475/
%R 10.21136/CMJ.1961.100475
%G en
%F 10_21136_CMJ_1961_100475