@article{PismaZhETF.23.647,
    title = {Vortices with free ends in superfluid $He^3-A$},
    author = {Volovik, G. E. and Mineev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {11},
    pages = {647},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27600.shtml},
}