@article{PismaZhETF.49.486,
    title = {Quantum effects in the formation of population inversions and lasing in germanium hot-hole system},
    author = {Mel'nichuk, I. M. and Mityagin, Yu. A. and Murzin, V. N. and Stoklitskii, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {9},
    pages = {486},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16961.shtml},
}