@article{DAN_1958_119_4_a13,
     author = {V. A. Moskalenko},
     title = {Exciton energy in ionic crystals},
     journal = {Doklady Akademii Nauk},
     pages = {678--681},
     year = {1958},
     volume = {119},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_4_a13/}
}