@article{PismaZhETF.12.293,
    title = {Optical Orientation of Carriers in Interband Transitions in Semiconductors},
    author = {Ekimov, A. I. and Safarov, V. I.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {6},
    pages = {293},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26282.shtml},
}