@article{PismaZhETF.52.1251,
    title = {Nonradiative transfer of excitation energy in crystals with the interaction of three optically active centers},
    author = {Zhekov, V. I. and Murina, T. M. and Prokhorov, A. M. and Studenikin, M. I. and Georgescu, S. and Lupei, A. and Lupei, V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {12},
    pages = {1251},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17587.shtml},
}