TY  - JOUR
AU  - A. V. Sobolev
TI  - A certain class of positive linear operators in topological linear spaces
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 305
EP  - 307
VL  - 212
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_212_2_a9/
LA  - ru
ID  - DAN_1973_212_2_a9
ER  -