@article{PismaZhETF.29.560,
    title = {Properties of electron-impurity system in semiconductors with different types of troughs},
    author = {Batyev, E. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {9},
    pages = {560},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22147.shtml},
}