@article{PismaZhETF.51.511,
    title = {Possible existence of nonsingular-vortex in $UPt_3$},
    author = {Barash, Yu. S. and Mel'nikov, A. S.},
    journal = {Письма в ЖЭТФ},
    volume = {51},
    issue = {10},
    pages = {511},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17319.shtml},
}