@article{TMF_1970_3_3_a7,
     author = {A. M. Perelomov and V. S. Popov},
     title = {Method of generating functions for a~quantum oscillator},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {377--391},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_3_3_a7/}
}