@article{PismaZhETF.5.36, title = {Quark-muonic Currents and Violation of CP Invariance}, author = {Sakharov, A. D.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {5}, issue = {1}, pages = {36}, year = {1967}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25090.shtml}, }