%0 Journal Article
%A Joel Berman
%T Distributive lattices with an additional unary operation. (Short Communication).
%J Aequationes mathematicae
%D 1977
%P 118-118
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1977__15_136641/
%F AM2_1977__15_136641