@article{PismaZhETF.29.30,
    title = {Synchronous conversion of radiation frequency under the conditions of the Bragg diffraction},
    author = {Maier, A. A. and Sukhorukov, A. P. and Kuz'min, R. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {1},
    pages = {30},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22011.shtml},
}