@article{PismaZhETF.7.455,
    title = {Radio Echo from an Explosion Region},
    author = {Vel'min, V. A. and Medvedev, Yu. A. and Stepanov, B. M.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {12},
    pages = {455},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25817.shtml},
}