%0 Journal Article
%A Tong, Jingcheng
%T Internal, external boundaries and continuous mappings
%J Mathematica slovaca
%D 1992
%P 215-221
%V 42
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1992__42_2_a9/
%G en
%F MASLO_1992__42_2_a9