@article{DAN_1987_293_4_a19,
     author = {V. S. Popov and V. M. Vainberg and V. D. Mur and A. V. Shcheblykin},
     title = {$1/n${-Expansion} in quantum mechanics},
     journal = {Doklady Akademii Nauk},
     pages = {851--855},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_4_a19/}
}