@article{PismaZhETF.47.46,
    title = {Effect of the zero-charge phenomenon on the structure of a nonsingular vortex in $^3He-A$},
    author = {Volovik, G. E.},
    journal = {Письма в ЖЭТФ},
    volume = {47},
    issue = {1},
    pages = {46},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16444.shtml},
}