@article{PismaZhETF.40.416,
    title = {Quantum nature of the reflection of an exciton from the surface of  an electron-hole drop},
    author = {Gippius, N. A. and Zavaritskaya, V. A. and Keldysh, L. V. and Milyaev, V. A. and Tikhodeev, S. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {40},
    issue = {10},
    pages = {416},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19070.shtml},
}