AGILE observation of a gamma-ray flare from the blazar 3C 279 A. Giuliani, F. D'Ammando, S. Vercellone, V. Vittorini, A. W. Chen, I. Donnarumma, L. Pacciani, G. Pucella, A. Trois, A. Bulgarelli et al. (49 more) A&A, 494 2 (2009) 509-513 Published online: 27 November 2008 DOI: 10.1051/0004-6361:200810785