@article{PismaZhETF.15.70,
    title = {Possibility of Generating Ultrashort Light Pulses in Lasers with Small Luminescence Line Width of the Medium},
    author = {Lugovoi, V. N. and Prokhorov, A. M.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {1},
    pages = {70},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26490.shtml},
}