@article{PismaZhETF.23.267,
    title = {Magnetic-structure instability resulting from the intersection of energy levels},
    author = {Zvezdin, A. K. and Mukhin, A. A. and Popov, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {23},
    issue = {5},
    pages = {267},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27479.shtml},
}