@article{PismaZhETF.33.16,
    title = {Screening of excitons in cuprous oxide},
    author = {Agekyan, V. F. and Vasil'ev, N. N. and Stepanov, Yu. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {1},
    pages = {16},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22919.shtml},
}