@article{PismaZhETF.52.666,
    title = {Instability, oscillations, and chaos of polarization state of self-intersecting light beam},
    author = {Zaskal'ko, O. P. and Kamushkin, A. G. and Korobkin, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {1},
    pages = {666},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17425.shtml},
}