@article{PismaZhETF.25.505,
    title = {Inhomogeneous ferromagnetism of conducting magnets with ions in a singlet ground state},
    author = {Zavaritskii, O. I. and Nagaev, E. L.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {11},
    pages = {505},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21472.shtml},
}