@article{TMF_1994_98_1_a4,
     author = {V. G. Bagrov and V. V. Belov and M. F. Kondrat'eva},
     title = {The semiclassical approximation in quantum mechanics. {A~new} approach},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {48--55},
     publisher = {mathdoc},
     volume = {98},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1994_98_1_a4/}
}