@article{PismaZhETF.9.232,
    title = {Band interaction and Transition from the Metallic to the Semiconducting State in a Magnetic field.},
    author = {Brandt, N. B. and Svistova, A. E. and Kashirskii, Yu. G.},
    journal = {Письма в ЖЭТФ},
    volume = {9},
    issue = {4},
    pages = {232},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25316.shtml},
}