TY  - JOUR
AU  - V. G. Romanov
TI  - Uniqueness theorems in inverse problems for some second-order
JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 254
EP  - 257
VL  - 321
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_321_2_a3/
LA  - ru
ID  - DAN_1991_321_2_a3
ER  -