@article{PismaZhETF.15.88,
    title = {Study of Two-dimensional Mixed State of Type-I Superconductors},
    author = {Landau, I. L. and Sharvin, Yu. V.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {2},
    pages = {88},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26495.shtml},
}