@article{PismaZhETF.23.22,
    title = {Optical cooling of a nuclear spin system of a conductor in a weak oscillating magnetic field},
    author = {Fleisher, V. G. and Dzhioev, R. I. and Zakharchenya, B. P.},
    journal = {Письма в ЖЭТФ},
    volume = {23},
    issue = {1},
    pages = {22},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27412.shtml},
}