@article{PismaZhETF.49.429,
    title = {Synchronization of quantum transitions},
    author = {Chebotaev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {8},
    pages = {429},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16944.shtml},
}