@article{PismaZhETF.7.134,
    title = {Critical Velocities in He II},
    author = {Geilikman, B. T.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {4},
    pages = {134},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25597.shtml},
}