@article{PismaZhETF.10.267,
    title = {Conductivity of Semiconductors under Pinch Effect Conditions},
    author = {Keldysh, L. V. and Pkhakadze, M. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {6},
    pages = {267},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25949.shtml},
}