TY  - JOUR
AU  - M. M. Lavrent'ev
AU  - V. G. Romanov
TI  - Three linearized inverse problems for hyperbolic equations
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 1279
EP  - 1281
VL  - 171
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a9/
LA  - ru
ID  - DAN_1966_171_6_a9
ER  -