%0 Journal Article
%A Crofts, G.
%T A Generalization of Echelon Spaces.
%J Collectanea mathematica
%D 1973
%P 139-149
%V 24
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CLTM_1973_1973_1_a11/
%G en
%F CLTM_1973_1973_1_a11