TY  - JOUR
AU  - Ya. N. Mamedov
TI  - On the completeness of root functions of some boundary value problems
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 167
EP  - 169
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_1_a20/
LA  - ru
ID  - DE_1989_25_1_a20
ER  -