@article{PismaZhETF.52.1233,
    title = {Effect of dissipation-free edge currents on the magnetoresistance of a 2D electron gas in a strong magnetic field: Upper limit on magnetoresistance},
    author = {Dorozhkin, S. I. and Koch, S. and von Klitzing, K. and Dorda, G.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {11},
    pages = {1233},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17583.shtml},
}