@article{PismaZhETF.33.292, title = {One- and two-loop invariants in expanded supergravitations}, author = {Kallosh, R. E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {33}, issue = {5}, pages = {292}, year = {1981}, doi = {}, url = {http://jetpletters.ru/ps/0/article_23010.shtml}, }