@article{PismaZhETF.35.51,
    title = {Inverse hydrogen-like series in the optical spectra of $ZnP_z$ crystals},
    author = {Sel'kin, A. V. and Stamov, I. G. and Syrbu, N. N. and Umanets, A. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {35},
    issue = {2},
    pages = {51},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19818.shtml},
}