TY  - JOUR
AU  - M. Sh. Birman
TI  - Scattering problems for differential operators with perturbation of the space
JO  - Izvestiya. Mathematics 
PY  - 1971
SP  - 459
EP  - 474
VL  - 5
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1971_5_2_a9/
LA  - en
ID  - IM2_1971_5_2_a9
ER  -