@article{PismaZhETF.27.7,
    title = {Phase transition induced by a laser field in a system of two-level atoms},
    author = {Emel'yanov, V. I. and Klimontovich, Yu. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {1},
    pages = {7},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23503.shtml},
}