@article{DAN_1965_163_2_a14,
     author = {G. M. Zhislin and A. G. Sigalov},
     title = {A contribution to the theory of atomic spectra},
     journal = {Doklady Akademii Nauk},
     pages = {323--325},
     year = {1965},
     volume = {163},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_2_a14/}
}