@article{PismaZhETF.13.603,
    title = {Observation of Self-focusing of Electromagnetic Waves in a Plasma},
    author = {Eremin, B. G. and Litvak, A. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {13},
    issue = {11},
    pages = {603},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24351.shtml},
}