@article{PismaZhETF.58.349,
    title = {Slightly nonideal 2D Fermi gas in a magnetic field},
    author = {Bychkov, Yu. A. and Kolesnikov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {5},
    pages = {349},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17931.shtml},
}