%0 Journal Article %A Tahraoui, Rabah %T Comparison principle for second order elliptic operators and applications %J Annales de l'I.H.P. Analyse non linéaire %D 2006 %P 159-183 %V 23 %N 2 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.anihpc.2005.02.005/ %R 10.1016/j.anihpc.2005.02.005 %G en %F AIHPC_2006__23_2_159_0