@article{TMF_1974_20_3_a7,
     author = {R. V. Jolos and V. G. Kartavenko and V. Rybarska},
     title = {Bogolyubov's method in the problem of pairing vibrations and the problem of eliminating unphysical states},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {353--363},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_20_3_a7/}
}