TY  - JOUR
AU  - B. T. Bilalov
TI  - Necessary and sufficient condition for the completeness of a system of functions
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 158
EP  - 161
VL  - 27
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_1_a18/
LA  - ru
ID  - DE_1991_27_1_a18
ER  -