TY  - JOUR
AU  - I. D. Stupina
TI  - On some properties of projective operators on uncountable systems of sets related to branching hypotheses
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1026
EP  - 1029
VL  - 197
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a9/
LA  - ru
ID  - DAN_1971_197_5_a9
ER  -