@article{PismaZhETF.37.155,
    title = {Weakly bound states of an electron in art external electromagnetic field},
    author = {Andreev, S. P. and Karnakov, B. M. and Mur, V. D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {37},
    issue = {3},
    pages = {155},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22757.shtml},
}