@article{PismaZhETF.57.655,
    title = {Possibility of observing a negative electron temperature in semiconductor structures},
    author = {Kalafati, Yu. D. and Posvyanskii, D. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {10},
    pages = {655},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17859.shtml},
}