TY  - JOUR
AU  - N. L. Lebedeva
TI  - On the density of convergent subsequences of orthogonal series
JO  - Matematičeskie zametki
PY  - 1969
SP  - 419
EP  - 428
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_5_4_a3/
LA  - ru
ID  - MZM_1969_5_4_a3
ER  -