@article{PismaZhETF.12.366,
    title = {Bose-Einstein Condensation of Excitons in a CdSe Crystal},
    author = {Akopyan, I. Kh. and Gross, E. F. and Razbirin, B. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {12},
    issue = {7},
    pages = {366},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26329.shtml},
}