@article{PismaZhETF.14.155, title = {New Mechanism of Coherent-radiation Generation in the Visible Region of the Spectrum in Ionized Oxygen and Nitrogen}, author = {Gadetskii, N. P. and Tkach, Yu. V. and Slezov, V. V. and Bessarab, Ya. Ya. and Magda, I. I.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {14}, issue = {3}, pages = {155}, year = {1971}, doi = {}, url = {http://jetpletters.ru/ps/0/article_24573.shtml}, }