TY  - JOUR
AU  - D. B. Silin
TI  - On upper semicontinuous multivalued mappings
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 792
EP  - 795
VL  - 294
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_294_4_a4/
LA  - ru
ID  - DAN_1987_294_4_a4
ER  -