@article{PismaZhETF.42.439,
    title = {Inverse hydrogen-like spectrum of $ZnP_2$ in a magnetic field},
    author = {Sel'kin, A. V. and Syrbu, N. N. and Umanets, A. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {42},
    issue = {11},
    pages = {439},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21884.shtml},
}