TY  - JOUR
AU  - Bl. Sendov
TI  - On the theorems of P.\,P.~Korovkin for convergence of sequences of linear positive operators
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 518
EP  - 520
VL  - 177
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_177_3_a7/
LA  - ru
ID  - DAN_1967_177_3_a7
ER  -