%0 Journal Article
%A Billhardt, Bernd
%T Extensions of semilattices by left type-A semigroups
%J Glasgow mathematical journal
%D 1997
%P 7-16
%V 39
%N 1
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500031840/
%R 10.1017/S0017089500031840
%F 10_1017_S0017089500031840