TY  - JOUR
AU  - Colebunders, Eva Lowen-
TI  - Open and Proper Maps Characterized by Continuous Setvalued Maps
JO  - Canadian journal of mathematics
PY  - 1981
SP  - 929
EP  - 936
VL  - 33
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-073-6/
DO  - 10.4153/CJM-1981-073-6
ID  - 10_4153_CJM_1981_073_6
ER  -