%0 Journal Article
%A Bogdanović Stojan
%T Semigroups in Which some bi-ideal is a group
%J Novi Sad Journal of Mathematics
%D 1981
%P 261-266
%V 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NSJOM_1981_11_Nonea_24/
%F NSJOM_1981_11_Nonea_24