TY  - JOUR
AU  - D. R. Yafaev
TI  - A~remark concerning the theory of scattering for a~perturbed polyharmonic operator
JO  - Matematičeskie zametki
PY  - 1974
SP  - 445
EP  - 454
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1974_15_3_a11/
LA  - ru
ID  - MZM_1974_15_3_a11
ER  -