TY  - JOUR
AU  - A. A. Arsen'ev
TI  - An approximation of the Green function for the Schr\"odinger equation
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 319
EP  - 324
VL  - 35
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_3_a5/
LA  - ru
ID  - DE_1999_35_3_a5
ER  -