@article{PismaZhETF.24.605,
    title = {Line and point singularities in superfluid $He^3$},
    author = {Volovik, G. E. and Mineev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {24},
    issue = {11},
    pages = {605},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27785.shtml},
}