TY  - JOUR
AU  - V. M. Isakov
TI  - An inverse problem of potential theory for the string equation
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 74
EP  - 83
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_1_a7/
LA  - ru
ID  - DE_1973_9_1_a7
ER  -