%0 Journal Article
%A Jong Lee
%T Homeotopy groups of orientable 2-manifolds
%J Fundamenta Mathematicae
%D 1972
%P 115-124
%V 77
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-77-2-115-124/
%R 10.4064/fm-77-2-115-124
%G en
%F 10_4064_fm_77_2_115_124