@article{PismaZhETF.30.342,
    title = {Observation of the cooperative effect in Raman scattering},
    author = {Pivtsov, V. S. and Rautian, S. G. and Safonov, V. P. and Folin, K. G. and Chernobrod, B. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {30},
    issue = {6},
    pages = {342},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20639.shtml},
}