@article{PismaZhETF.7.101,
    title = {Elementary Solutions of the Quantum Problem of the Motion of a Particle in the Field of Two Coulomb Centers},
    author = {Demkov, Yu. N.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {3},
    pages = {101},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25588.shtml},
}