@article{PismaZhETF.12.234,
    title = {Carrier Mobility in $He^4$ Crystals},
    author = {Keshishev, K. O. and Mezhov-Deglin, L. P. and Shal'nikov, A. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {12},
    issue = {5},
    pages = {234},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26309.shtml},
}