@article{PismaZhETF.70.806,
    title = {Comment on the paper "Subwavelength diameter of light beams in active media"},
    author = {Sekatskii, S. K. and Dietler, G.},
    journal = {Письма в ЖЭТФ},
    volume = {70},
    issue = {12},
    pages = {806},
    year = {1999},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14100.shtml},
}