@article{PismaZhETF.25.168,
    title = {Temperature dependence of the mutual friction force in helium near the point},
    author = {Pitaevskii, L. P.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {3},
    pages = {168},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21102.shtml},
}