@article{PismaZhETF.18.323,
    title = {Electron resonance with localized magnetic moments of Er in superconducting La},
    author = {Alekseevskii, N. E. and Garifullin, I. A. and Kochelaev, B. I. and Kharakhash'yan, E. G.},
    journal = {Письма в ЖЭТФ},
    volume = {18},
    issue = {5},
    pages = {323},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23936.shtml},
}