%0 Journal Article
%A C.T.C. Wall
%T A Splitting Theorem for Maps Into IR2 .
%J Mathematische Annalen
%D 1982
%P 443-454
%V 259
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1982__259_163643/
%F MAN_1982__259_163643