@article{PismaZhETF.6.487,
    title = {Self-focusing of Light in Solids via the Electrostriction Mechanism},
    author = {Chaban, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {1},
    pages = {487},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25243.shtml},
}