@article{PismaZhETF.34.97,
    title = {Oscillation of a stack of disks and friction between the normal and superfluid components in rotating superfluid $^3He$},
    author = {Sonin, E. B.},
    journal = {Письма в ЖЭТФ},
    volume = {34},
    issue = {3},
    pages = {97},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23138.shtml},
}