TY  - JOUR
AU  - A. Ya. Vol'pert
TI  - The limit of a multi-valued function that is defined on a partially ordered set
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 1969
SP  - 76
EP  - 88
VL  - 129
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_1969_129_3_a5/
LA  - ru
ID  - UZKU_1969_129_3_a5
ER  -