@article{PismaZhETF.58.220,
    title = {Collective order-parameter modes in superconducting $UPt_3$},
    author = {Golo, V. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {3},
    pages = {220},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17906.shtml},
}