@article{EJDE_2008__2008__a85,
     author = {Chung,  Nguyen Thanh},
     title = {Multiple solutions for quasilinear elliptic problems with nonlinear boundary conditions},
     journal = {Electronic journal of differential equations},
     year = {2008},
     volume = {2008},
     zbl = {1173.35490},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a85/}
}