The initial luminosity and mass functions of the Galactic open clustersA. E. Piskunov, N. V. Kharchenko, E. Schilbach, S. Röser, R.-D. Scholz and H. ZinneckerA&A, 487 2 (2008) 557-566DOI: https://doi.org/10.1051/0004-6361:200809505
