@article{PismaZhETF.44.15,
    title = {Light amplification due to nonlinear interaction of counterpropagating waves in a single-mode optical fiber},
    author = {Vorob'ev, N. S. and Grudinin, A. B. and Dianov, E. M. and Prokhorov, A. M. and Khaidarov, D. V. and Khrushchev, I. Yu. and Shchelev, M. Ya.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {44},
    issue = {1},
    pages = {15},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20795.shtml},
}