@article{PismaZhETF.24.401,
    title = {Influence of the depth of location of donor levels on the degree of optical orientation of $^{29}Si$ nuclei in silicon},
    author = {Bagraev, N. T. and Vlasenko, L. S. and Zhitnikov, R. A.},
    journal = {Письма в ЖЭТФ},
    volume = {24},
    issue = {7},
    pages = {401},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27730.shtml},
}