@article{PismaZhETF.51.396,
    title = {Defects at interface between A and B phases of superfluid $^3He$},
    author = {Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {8},
    pages = {396},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17284.shtml},
}