@article{PismaZhETF.53.208,
    title = {A new class of normal Fermi liquids},
    author = {Volovik, G. E.},
    journal = {Письма в ЖЭТФ},
    volume = {53},
    issue = {4},
    pages = {208},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17392.shtml},
}