Alves, Claudianor Oliveira, Rodrigo C. M. Nemer, and Sergio H. Monari Soares. 2015. “Nontrivial Solutions for a Mixed Boundary Problem for Schrödinger Equations With an External Magnetic Field”. Topological Methods in Nonlinear Analysis 46 (1):329-62. https://doi.org/10.12775/TMNA.2015.050.