@article{PismaZhETF.76.774,
    title = {Possible universal cause of high-T$_c$ superconductivity in different metals},
    author = {Amusia, M. Ya. and Shaginyan, V. R.},
    journal = {Письма в ЖЭТФ},
    volume = {76},
    issue = {11},
    pages = {774},
    year = {2002},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9508.shtml},
}