@article{PismaZhETF.78.1203,
    title = {Dark matter from $SU(4)$ model},
    author = {Volovik, G. E.},
    journal = {Письма в ЖЭТФ},
    volume = {78},
    issue = {11},
    pages = {1203},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_1907.shtml},
}