@article{PismaZhETF.27.569,
    title = {Three-dimensional solitons in He II},
    author = {Iordanskii, S. V. and Smirnov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {10},
    pages = {569},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23773.shtml},
}