Richard Grimm, Maximilian F. Hasler, Carl Herrmann. The N = 2 vector-tensor multiplet, central charge superspace, and chern-simons couplings.
International Journal of Modern Physics A, World Scientific Publishing, 1998, 13 (11), pp.1805-1816.
⟨10.1142/S0217751X98000792⟩.
⟨hal-00769900⟩