%0 Journal Article
%A J.H. Carruth
%A C.E. Clark
%T Generalized Greenfs theories.
%J Semigroup forum
%D 1980
%P 95-128
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1980__20_134408/
%F SF_1980__20_134408