@article{PismaZhETF.89.356,
    title = {Magnon BEC in superfluid $^3$He-A},
    author = {Bunkov, Yu. M. and Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {89},
    issue = {6},
    pages = {356},
    year = {2009},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28461.shtml},
}