The broad-band X-ray spectrum of the blazar PKS B1830-211 by Chandra and INTEGRAL A. De Rosa, L. Piro, A. Tramacere, E. Massaro, R. Walter, L. Bassani, A. Malizia, A. J. Bird and A. J. Dean A&A, 438 1 (2005) 121-126 Published online: 06 July 2005 DOI: 10.1051/0004-6361:20052710