@article{PismaZhETF.3.166,
    title = {Optocaloric Effect (Amplification of the Atomic Interaction and Cooling of the Medium) in a Laser Beam},
    author = {Askar'yan, G. A.},
    journal = {Письма в ЖЭТФ},
    volume = {3},
    issue = {4},
    pages = {166},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24715.shtml},
}