TY  - JOUR
AU  - Ya. Sh. Salimov
TI  - On the Riesz means for root function expansions of certain nonlocal boundary value problems
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 155
EP  - 160
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_1_a15/
LA  - ru
ID  - DE_1987_23_1_a15
ER  -