@article{garcía-melián_rossi_sabina de lis_2014, title={Multiplicity of solutions to a nonlinear elliptic problem with nonlinear boundary conditions}, volume={21}, ISSN={1420-9004}, DOI={10.1007/S00030-013-0248-8}, number={3}, journal={Nonlinear Differential Equations and Applications}, publisher={Birkhauser Verlag AG}, author={García-Melián, Jorge and Rossi, Julio D. and Sabina de Lis, José C.}, year={2014}, pages={305-337} }