@article{PismaZhETF.6.581,
    title = {Influence of He on the Mobility of Positive Ions in Liquid Helium},
    author = {Kovdrya, Yu. Z. and Esel'son, B. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {4},
    pages = {581},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25335.shtml},
}