@article{PismaZhETF.9.7, title = {Radiative Perturbation of Potassium Terms in a Ruby- laser Radiation Field.}, author = {Kirin, Yu. M. and Kovalev, D. P. and Rautian, S. S. and Sokolovskii, R. I.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {9}, issue = {1}, pages = {7}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25016.shtml}, }