TY  - JOUR
AU  - M. Rakhimov
TI  - On the property of being a Riesz basis of systems of eigen- and
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 538
EP  - 540
VL  - 293
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_293_3_a5/
LA  - ru
ID  - DAN_1987_293_3_a5
ER  -