Stellar populations in the CFHTLS - I. New constraints on the IMF at low mass M. Schultheis, A. C. Robin, C. Reylé, H. J. McCracken, E. Bertin, Y. Mellier and O. Le Fèvre A&A, 447 1 (2006) 185-198 Published online: 27 January 2006 DOI: 10.1051/0004-6361:20053376