TY  - JOUR
AU  - S. V. Bochkarev
TI  - The method of averaging in the theory of orthogonal series and some questions in the theory of bases
JO  - Informatics and Automation
PY  - 1978
SP  - 3
EP  - 87
VL  - 146
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1978_146_a0/
LA  - ru
ID  - TRSPY_1978_146_a0
ER  -