TY  - JOUR
AU  - R. R. Ashurov
TI  - Bi-orthogonal expansions of a nonselfadjoint Schr\"odinger operator
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 156
EP  - 158
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_1_a17/
LA  - ru
ID  - DE_1991_27_1_a17
ER  -