@article{PismaZhETF.32.136,
    title = {Observation of resonant relaxation of acoustic phonons by vibronic anti-Stokes luminescence in doped crystals},
    author = {Akimov, A. V. and Kaplyanskii, A. A. and Syrkin, A. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {32},
    issue = {2},
    pages = {136},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21653.shtml},
}