@article{PismaZhETF.11.257,
    title = {Mechanism of Formation of Negative Resistance in Semiconductors During Impurity Breakdown},
    author = {Zaitsev, A. N. and Zvezdin, A. K. and Osipov, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {5},
    pages = {257},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26106.shtml},
}