%0 Journal Article
%A Anderson, Tim
%A Kleinfeld, Erwin
%T A Classification of 2-Varieties
%J Canadian journal of mathematics
%D 1976
%P 348-364
%V 28
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-037-2/
%R 10.4153/CJM-1976-037-2
%F 10_4153_CJM_1976_037_2