@article{PismaZhETF.11.431,
    title = {Nonlinear Phenomena in the Passage of Broad-spectrum Laser Emission Through Atomic Potassium Vapor},
    author = {Bonch-Bruevich, A. M. and Khodovoi, V. A. and Khromov, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {11},
    issue = {9},
    pages = {431},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26156.shtml},
}