@article{PismaZhETF.11.503,
    title = {Photon Emission by Fast Charged Particles in a Single Crystal},
    author = {Kudryavtsev, V. G. and Ryazanov, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {10},
    pages = {503},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26178.shtml},
}