@article{PismaZhETF.60.622,
    title = {Exciton-exciton interaction in electroluminescence spectra of a GaSe crystal},
    author = {Abutalybov, G. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {60},
    issue = {9},
    pages = {622},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20406.shtml},
}