The initial luminosity and mass functions of the Galactic open clusters A. E. Piskunov, N. V. Kharchenko, E. Schilbach, S. Röser, R.-D. Scholz and H. Zinnecker A&A, 487 2 (2008) 557-566 Published online: 16 June 2008 DOI: 10.1051/0004-6361:200809505