TY - JOUR AU - Laurent, BĂ©atrice TI - Adaptive estimation of a quadratic functional of a density by model selection JO - ESAIM: Probability and Statistics PY - 2005 SP - 1 EP - 18 VL - 9 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ps:2005001/ DO - 10.1051/ps:2005001 LA - en ID - PS_2005__9__1_0 ER -