@article{EJDE_2003__2003__a143,
     author = {Cuccu,  Fabrizio and Jha,  Kanhaiya and Porru,  Giovanni},
     title = {Geometric properties of solutions to maximization problems},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1109.49305},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a143/}
}