TY  - JOUR
AU  - Ewert, Janina
TI  - On points of lower and upper quasi-continuity of multivalued maps
JO  - Mathematica slovaca
PY  - 1987
SP  - 255
EP  - 261
VL  - 37
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1987__37_3_a3/
LA  - en
ID  - MASLO_1987__37_3_a3
ER  -