@article{PismaZhETF.39.54,
    title = {Coexistence of large- and small-radius excitons bound on defects in solids},
    author = {Fel'dbakh, E. Kh. and Lushchik, Ch. B. and Kuusmann, I. L},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {39},
    issue = {2},
    pages = {54},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19116.shtml},
}