@article{PismaZhETF.29.634,
    title = {Nonlinear cyclotron resonance in bismuth},
    author = {Leviev, G. I. and Ikonnikov, V. B. and Gantmakher, V. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {10},
    pages = {634},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22187.shtml},
}