@article{PismaZhETF.23.466,
    title = {Positron clusters in dense gases},
    author = {Khrapak, A. G. and Yakubov, I. T.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {8},
    pages = {466},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27553.shtml},
}