TY - JOUR AU - Tahraoui, Rabah TI - Comparison principle for second order elliptic operators and applications JO - Annales de l'I.H.P. Analyse non linéaire PY - 2006 SP - 159 EP - 183 VL - 23 IS - 2 PB - Elsevier UR - http://archive.numdam.org/articles/10.1016/j.anihpc.2005.02.005/ DO - 10.1016/j.anihpc.2005.02.005 LA - en ID - AIHPC_2006__23_2_159_0 ER -