@article{PismaZhETF.51.138,
    title = {Frequency dependence of magnetic-field response of granular superconductors},
    author = {Vitkalov, S. A. and Rzaev, M. M. and Tokarchuk, D. N.},
    journal = {Письма в ЖЭТФ},
    volume = {51},
    issue = {3},
    pages = {138},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17207.shtml},
}