@article{AIHPC_1999__16_2_167_0,
     author = {Alvino, Angelo and Trombetti, Guido and Lions, Pierre-Louis and Matarasso, Silvano},
     title = {Comparison results for solutions of elliptic problems via symmetrization},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {167--188},
     publisher = {Gauthier-Villars},
     volume = {16},
     number = {2},
     year = {1999},
     mrnumber = {1674768},
     zbl = {0924.35038},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_1999__16_2_167_0/}
}