@article{PismaZhETF.3.26,
    title = {Possible Realization of Negative Conductivity with Nonequilibrium Carriers in Semiconductors},
    author = {Elesin, V. F. and Manykin, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {1},
    pages = {26},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24678.shtml},
}