TY  - JOUR
AU  - V. A. Trenogin
TI  - Approximations on families of Banach spaces and solvability of linear equations
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1288
EP  - 1291
VL  - 201
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a5/
LA  - ru
ID  - DAN_1971_201_6_a5
ER  -