@article{PismaZhETF.27.605,
    title = {Nonvortical phase slippage and oscillations of the vector I in $He^3-A$},
    author = {Volovik, G. E.},
    journal = {Письма в ЖЭТФ},
    volume = {27},
    issue = {11},
    pages = {605},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23782.shtml},
}