@article{PismaZhETF.47.511,
    title = {Optical spectroscopy of two-dimensional electrons in a single GaAs-AIGaAs heterojunction},
    author = {Kukushkin, I. V. and von Klitzing, K. and Ploog, K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {10},
    pages = {511},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16577.shtml},
}