TY  - JOUR
AU  - A. V. Efimov
TI  - On nonsummability of orthogonal series by linear methods
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 31
EP  - 34
VL  - 152
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a6/
LA  - ru
ID  - DAN_1963_152_1_a6
ER  -