@article{EJDE_2005__2005__a185,
     author = {Khan,  Rahmat Ali},
     title = {Existence and approximation of solutions of second order nonlinear {Neumann} problems},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1075.34016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a185/}
}