@article{PismaZhETF.10.185,
    title = {Electron-vibrational Nature of Тwо-quantum Absorption in Centrally-symmetrical  Organic Molecules},
    author = {Aleksandrov, A. P. and Bredikhin, V. P. and Genkin, V. N.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {4},
    pages = {185},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25714.shtml},
}