%0 Journal Article
%A K.D. Jr. Magill
%A S. Subbiah
%T The partially ordered collection of regular ...-classes of S(X).
%J Aequationes mathematicae
%D 1977
%P 91-98
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__15_136632/
%F AM2_1977__15_136632