TY  - JOUR
AU  - M. I. Belishev
AU  - S. A. Ivanov
TI  - Characterization of data in the dynamical inverse problem for two-velocity system
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1999
SP  - 19
EP  - 45
VL  - 259
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1999_259_a1/
LA  - ru
ID  - ZNSL_1999_259_a1
ER  -