@article{PismaZhETF.15.453,
    title = {Optical Electron-nuclear Resonance in Semiconductors},
    author = {Ekimov, A. I. and Safarov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {8},
    pages = {453},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26620.shtml},
}