@article{PismaZhETF.34.555, title = {Theories with nonlocal electric charge conservation}, author = {Shvarts, A. S.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {34}, issue = {10}, pages = {555}, year = {1981}, doi = {}, url = {http://jetpletters.ru/ps/0/article_23455.shtml}, }