TY  - JOUR
AU  - A. I. Vagabov
TI  - $n$-fold summability of series in principal functions of pencils

JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 534
EP  - 538
VL  - 299
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_299_3_a3/
LA  - ru
ID  - DAN_1988_299_3_a3
ER  -