TY  - JOUR
AU  - P. V. Elyutin
TI  - Perturbation theory and the quasi-classical approximation in an energetic representation
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 1089
EP  - 1092
VL  - 294
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_294_5_a15/
LA  - ru
ID  - DAN_1987_294_5_a15
ER  -