E Sokatchev

Unconstrained N=2 matter, Yang-Mills and supergravity theories in harmonic superspace

E Ivanov, A Galperin, S Kalitzin, 1984 .

N=2 supergravity in superspace: different versions and matter couplings

E Ivanov, A Galperin, E Sokatchev, 1987 .

Harmonic supergraphs: Feynman rules and examples

E Ivanov, A Galperin, V Ogievetsky, 1985 .