TY  - JOUR
AU  - Tong, Jingcheng
TI  - Internal, external boundaries and continuous mappings
JO  - Mathematica slovaca
PY  - 1992
SP  - 215
EP  - 221
VL  - 42
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1992__42_2_a9/
LA  - en
ID  - MASLO_1992__42_2_a9
ER  -