@article{PismaZhETF.4.86,
    title = {Instability of Fermi Systems and Specific Heat of Liquid $He^3$},
    author = {Kirzhnits, D. A. and Nepomyashchii, Yu. A.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {3},
    pages = {86},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24838.shtml},
}