@article{PismaZhETF.32.509,
    title = {Dynamic form factor of superfluid $^4He$},
    author = {Mineev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {32},
    issue = {8},
    pages = {509},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21782.shtml},
}