@article{EJDE_2005__2005__a225,
     author = {Berchio, Elvise and Gazzola, Filippo},
     title = {Some remarks on biharmonic elliptic problems with positive, increasing and convex nonlinearities},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2005},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a225/}
}