@article{PismaZhETF.10.385, title = {Verification of T-invariance in Leptoniс Radiative Decays of К Mesons}, author = {Safronov, A. N.}, journal = {Письма в ЖЭТФ}, volume = {10}, issue = {8}, pages = {385}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25751.shtml}, }