@article{PismaZhETF.32.344,
    title = {Observation of the delocalization threshold of the $H^-$ - like states of impurity centers in doped semiconductors},
    author = {Gershenzon, E. M. and Zayats, V. A. and Mel'nikov, A. P. and Rabinovich, R. I. and Serebryakova, N. A. and Tovmach, Yu. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {32},
    issue = {5},
    pages = {344},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21706.shtml},
}