@article{PismaZhETF.17.504,
    title = {Experimental Investigation of the Effectiveness of Spontaneous Waveguide Concentration of Radiation Propagating in a Nonlinear Medium},
    author = {Askar'yan, G. A. and Diyanov, Kh. A. and Mukhamadzhanov, M. A.},
    journal = {Письма в ЖЭТФ},
    volume = {17},
    issue = {9},
    pages = {504},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23607.shtml},
}