@article{PismaZhETF.51.454,
    title = {Transient processes and optical Bloch equations},
    author = {Shakhmuratov, R. N.},
    journal = {Письма в ЖЭТФ},
    volume = {51},
    issue = {9},
    pages = {454},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17300.shtml},
}