M. Kachkachi et T. Lhallabi, N=2 SUPERCONFORMAL KILLING EQUATIONS AND THE HARMONIC DIFFERENTIALS, Journal of mathematical physics, 34(6), 1993, pp. 2424-2434
Superconformal transformations in N = 2 harmonic superspace are descri
bed by means of killing equations and the N = 2 supercurrent is presen
ted. The Becchi-Rouet-Stora-Tyutin formalism is used in order to estab
lish the N = 2 supercurrent anomaly.