TY  - JOUR
AU  - A. S. Makin
TI  - On Riesz means of biorthogonal expansions in root functions of nonselfadjoint extensions of the Schr\"odinger operator
JO  - Doklady Akademii Nauk
PY  - 1992
SP  - 472
EP  - 475
VL  - 322
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1992_322_3_a7/
LA  - ru
ID  - DAN_1992_322_3_a7
ER  -