@article{PismaZhETF.16.499, title = {Muon Decay and Equivalence Principle}, author = {Smorodinskii, Ya.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {16}, issue = {8}, pages = {499}, year = {1972}, doi = {}, url = {http://jetpletters.ru/ps/0/article_26901.shtml}, }