@article{PismaZhETF.13.182,
    title = {Possibility of Shortening Light Pulses in Alkali - metal Vapor},
    author = {Zel'dovich, B. Ya. and Sobel'man, I. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {13},
    issue = {3},
    pages = {182},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24000.shtml},
}