@article{PismaZhETF.42.185,
    title = {Symmetry of vortex structures, axial currents, and Kelvin waves in super-fluid $^3He$},
    author = {Sonin, E. B. and Fomin, N. V.},
    journal = {Письма в ЖЭТФ},
    volume = {42},
    issue = {5},
    pages = {185},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21584.shtml},
}