@article{AIHPC_2006__23_2_159_0,
     author = {Tahraoui, Rabah},
     title = {Comparison principle for second order elliptic operators and applications},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {159--183},
     publisher = {Elsevier},
     volume = {23},
     number = {2},
     year = {2006},
     doi = {10.1016/j.anihpc.2005.02.005},
     mrnumber = {2201150},
     zbl = {05024483},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2005.02.005/}
}