@article{PismaZhETF.10.432,
    title = {Resonance in Superconductors},
    author = {Azbel', M. Ya.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {9},
    pages = {432},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26778.shtml},
}