@article{PismaZhETF.60.188,
    title = {Effect of yttrium on the increase in $T_c$ of Bi(2212) crystals},
    author = {Zavaritskii, N. V. and Zavaritskii, V. N. and Orekhov, Yu. F. and Mackenzie, A. P.},
    journal = {Письма в ЖЭТФ},
    volume = {60},
    issue = {3},
    pages = {188},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20007.shtml},
}