TY  - JOUR
AU  - M. G. Gasymov
AU  - B. M. Levitan
TI  - On expansion in products of special solutions of two Sturm--Liouville equations
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 781
EP  - 784
VL  - 310
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_310_4_a1/
LA  - ru
ID  - DAN_1990_310_4_a1
ER  -