@article{PismaZhETF.46.284,
    title = {Self-oscillations in an exciton-electron system with impact ionization of excitons},
    author = {Ashkinadze, B. M. and Subashiev, A. V.},
    journal = {Письма в ЖЭТФ},
    volume = {46},
    issue = {7},
    pages = {284},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18585.shtml},
}