%0 Journal Article
%A S.P. AVANN
%T The Lattice of Natural Orders (Short Communication)
%J Aequationes mathematicae
%D 1971
%P 117-117
%V 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1971__7_136236/
%F AM2_1971__7_136236