@article{PismaZhETF.14.538,
    title = {Excitation of Sound in a Fermi-Bose Liquid},
    author = {Semiz, D. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {14},
    issue = {9},
    pages = {538},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24956.shtml},
}