@article{PismaZhETF.43.82,
    title = {Magnetic-field penetration into superconducting niobium},
    author = {Ermolov, S. N. and Marchenko, V. A. and Chizhov, A. Kh.},
    journal = {Письма в ЖЭТФ},
    volume = {43},
    issue = {2},
    pages = {82},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21245.shtml},
}