@article{PismaZhETF.40.155, title = {Harmonic superspace: key to N = 2 supersymmetry theories}, author = {Gal'perin, A. and Ivanov, E. and Ogievetskii, V. and Sokachev, E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {40}, issue = {4}, pages = {155}, year = {1984}, doi = {}, url = {http://jetpletters.ru/ps/0/article_18978.shtml}, }