@article{PismaZhETF.7.84,
    title = {Variation of the Emission Wavelength of a Parametric Light Generator by Means of an External Electric Field},
    author = {Krivoshchekov, G. V. and Kruglov, S. V. and Marennikov, S. I. and Polivanov, Yu. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {3},
    pages = {84},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25582.shtml},
}