@article{PismaZhETF.36.281,
    title = {Efficient phase conjugation under parametric-feedback conditions},
    author = {Odintsov, V. I. and Rogacheva, L. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {36},
    issue = {8},
    pages = {281},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20173.shtml},
}