@article{PismaZhETF.54.228,
    title = {Weak ferromagnetism in $CeMn_{2-x}Si_{2+x}$ crystals with a mixed cerium valence},
    author = {Levin, E. M. and Pustovit, A. V. and Markovskii, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {54},
    issue = {4},
    pages = {228},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18126.shtml},
}