@article{PismaZhETF.58.215,
    title = {Floating up of the extended states of Landau levels in a two-dimensional electron gas in silicon  mosfet's},
    author = {Shashkin, A. A. and Kravchenko, G. V. and Dolgopolov, V. T.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {3},
    pages = {215},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4705.shtml},
}