TY  - JOUR
AU  - A. A. Androshchuk
TI  - Transformation operators and a uniqueness theorem in the inverse problem for a second order differential equation 

JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 9
EP  - 12
VL  - 198
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_198_1_a0/
LA  - ru
ID  - DAN_1971_198_1_a0
ER  -