@article{PismaZhETF.33.189,
    title = {Observation of new states of an exciton bound to $Ni^{2+}$ in ZnSe},
    author = {Sokolov, V. I. and Nikiforov, A. E. and Chernyaev, V. V. and Shashkin, S. Yu.},
    journal = {Письма в ЖЭТФ},
    volume = {33},
    issue = {4},
    pages = {189},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22967.shtml},
}