@article{PismaZhETF.110.480,
    title = {Hall conductivity as the topological invariant in phase space in  the presence of interactions and non-uniform magnetic field},
    author = {Zhang, C. X. and Zubkov, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {110},
    issue = {7},
    pages = {480},
    year = {2019},
    doi = {10.1134/S0370274X19190081},
    url = {http://jetpletters.ru/ps/dx/10.1134/S0370274X19190081},
}