TY  - JOUR
AU  - S. P. Belinskii
TI  - An existence theorem for the solution of an inverse problem for a hyperbolic system of first-order equations
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 692
EP  - 695
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_4_a15/
LA  - ru
ID  - DE_1991_27_4_a15
ER  -