@article{PismaZhETF.14.116,
    title = {Possibility of Producing an Inverted Medium for Lasers by Means of an Explosion},
    author = {Marchenko, V. M. and Prokhorov, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {14},
    issue = {2},
    pages = {116},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24563.shtml},
}