TY  - JOUR
AU  - A. A. Borovkov
AU  - E. A. Pechersky
TI  - Criteria for weak convergence of nonnegative measures, and $\sigma$-topological spaces
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 18
EP  - 20
VL  - 208
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a2/
LA  - ru
ID  - DAN_1973_208_1_a2
ER  -