TY  - JOUR
AU  - B. M. Levitan
TI  - On the solvability of the inverse Sturm--Liouville problem on the entire line
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 22
EP  - 25
VL  - 234
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a3/
LA  - ru
ID  - DAN_1977_234_1_a3
ER  -