@article{PismaZhETF.40.114,
    title = {Laser-plasma detection of the difference frequency of two light waves},
    author = {Basov, N. G. and Vasil'ev, B. I. and Grasyuk, A. Z. and Losev, L. L. and Meshalkin, E. A.},
    journal = {Письма в ЖЭТФ},
    volume = {40},
    issue = {3},
    pages = {114},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21765.shtml},
}