@article{PismaZhETF.23.562,
    title = {Coherent emission of characteristic lines on passage of charged particles through a single crystal},
    author = {Akhmanov, S. A. and Grishanin, B. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {10},
    pages = {562},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27578.shtml},
}