@article{PismaZhETF.10.237,
    title = {Singularities of Shubnikov - de Haas Oscillations in a Strong Electric Field},
    author = {Bykovskii, Yu. A. and Elesin, V. V. and Kadushkin, V. I. and Protasov, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {6},
    pages = {237},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25940.shtml},
}