@article{PismaZhETF.46.292,
    title = {ESR in the $Y_{1-x} Gd_xBa_2Cu_3O_y$ system},
    author = {Alekseevskii, N. E. and Garifullin, I. A. and Garif'yanov, N. N. and Kochelaev, B. I. and Mitin, V. and Nizhankovskii, V. I. and Tagirov, L. R. and Khlybov, E. P.},
    journal = {Письма в ЖЭТФ},
    volume = {46},
    issue = {7},
    pages = {292},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18588.shtml},
}