@article{PismaZhETF.30.6,
    title = {Inversion of a wave front associated with a four-wave interaction in media with nonlocal nonlinearity},
    author = {Kukhtarev, U. V. and Odulov, S. C.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {30},
    issue = {1},
    pages = {6},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20568.shtml},
}