@article{PismaZhETF.15.257,
    title = {Optical Detection of Dynamic Polarization of Nuclei in Semiconductors},
    author = {Ekimov, A. I. and Safarov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {5},
    pages = {257},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26543.shtml},
}