@article{PismaZhETF.72.684,
    title = {Observation of the interaction between Landau levels of different two-dimensional subbands in GaAs in normal magnetic field},
    author = {Ivanov, D. Yu. and Takhtamirov, E. and Dubrovskii, Yu. V. and Volkov, V. A. and Eaves~L.,  and Main, P. C. and Henini, M. and Maude, D. K. and Portal, J. -C. and Maan, J. C. and Hill, G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {72},
    issue = {9},
    pages = {684},
    year = {2000},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_13793.shtml},
}