@article{PismaZhETF.45.548,
    title = {f-state pairing in superfluid $^3He-A_1$},
    author = {Volovik, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {45},
    issue = {11},
    pages = {548},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18855.shtml},
}