@article{PismaZhETF.25.26,
    title = {Rotating $^3He-A$},
    author = {Volovik, G. E. and Kopnin, N. B.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {1},
    pages = {26},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21006.shtml},
}