@article{PismaZhETF.54.401,
    title = {Existence of an Effective Magnetic Field in Disordered Many-Valley Semiconductors},
    author = {Polyakov, D. C.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {7},
    pages = {401},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_3876.shtml},
}