@article{PismaZhETF.6.721,
    title = {Use of Laser to Measure the Cross Section of Stimulated Emission of Matter},
    author = {Belan, V. R. and Grigor'yants, V. V. and Zhabotinskii, M. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {7},
    pages = {721},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25469.shtml},
}