TY  - JOUR
AU  - M. V. Fedoryuk
TI  - The one-dimensional scattering problem in the quasi-classical approximation. I
JO  - Differencialʹnye uravneniâ
PY  - 1965
SP  - 631
EP  - 646
VL  - 1
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1965_1_5_a6/
LA  - ru
ID  - DE_1965_1_5_a6
ER  -