TY  - JOUR
AU  - A. V. Efimov
TI  - Summation of orthogonal series by linear methods
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1967
VL  - 22
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/RM_1967_22_2_a17/
LA  - ru
ID  - RM_1967_22_2_a17
ER  -