@article{PismaZhETF.102.40,
    title = {Interaction-induced merging of Landau levels in an electron system\\  of double quantum wells\\{\sl In memory of V.F.Gantmakher}},
    author = {Shashkin, A. A. and Dolgopolov, V. T. and Clark, J. W. and Shaginyan, V. R. and Zverev, M. V. and Khodel, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {102},
    issue = {1},
    pages = {40},
    year = {2015},
    doi = {10.7868/S0370274X15130081},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X15130081},
}