@article{PismaZhETF.32.520, title = {Generation of the $\omega$/2 harmonic in a laser plasma}, author = {Kil'pio, A. V. and Malyutin, A. A. and Pashinin, P. P.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {32}, issue = {8}, pages = {520}, year = {1980}, doi = {}, url = {http://jetpletters.ru/ps/0/article_21785.shtml}, }