The X-ray luminosity function of galaxies in the Coma cluster A. Finoguenov, U. G. Briel, J. P. Henry, G. Gavazzi, J. Iglesias-Paramo and A. Boselli A&A, 419 1 (2004) 47-61 Published online: 23 April 2004 DOI: 10.1051/0004-6361:20035765