@article{PismaZhETF.28.337,
    title = {Singularities of magnetic phase transitions in heavy rare-earth metals},
    author = {Savchenko, M. A. and Stefanovich, A. V.},
    journal = {Письма в ЖЭТФ},
    volume = {28},
    issue = {6},
    pages = {337},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24155.shtml},
}