@article{PismaZhETF.25.162,
    title = {Concerning one mechanism of the phase transition from the ferromagnetic into the ferrimagnetic state},
    author = {Kovtun, N. M. and Kalinnikov, V. T. and Shemyakov, A. A. and Propkopenko, V. K. and Babitsyna, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {3},
    pages = {162},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21100.shtml},
}