@article{PismaZhETF.45.34,
    title = {Magnetic heterogeneity of $CdCr_2Se_4-based$ ferromagnetic semiconductors},
    author = {Abelyashev, G. N. and Berzhanskii, V. N. and Fedotov, Yu. V.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {1},
    pages = {34},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18664.shtml},
}