@article{PismaZhETF.15.441,
    title = {Effects Connected with the Resonant Behavior of the Gap in a Superconductor},
    author = {Ivlev, B. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {7},
    pages = {441},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26617.shtml},
}