%0 Journal Article
%A Petrich, Mario
%T The kernel and trace operators for ideal extensions of regular semigroups
%J Glasgow mathematical journal
%D 1994
%P 219-231
%V 36
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030767/
%R 10.1017/S0017089500030767
%F 10_1017_S0017089500030767