TY  - JOUR
AU  - M. M. Choban
TI  - Multivalued mappings and spaces with a countable net
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 1023
EP  - 1026
VL  - 186
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_186_5_a10/
LA  - ru
ID  - DAN_1969_186_5_a10
ER  -