de Paiva , Francisco OdairSouza Lima , Sandra Machado de and Miyagaki , Olimpio Hiroshi. (2022). Existence and Multiplicity Results for a Class of Nonlinear Schrödinger Equations with Magnetic Potential Involving Sign-Changing Nonlinearity.
            <i>Analysis in Theory and Applications</i>. <i>38</i> (2).
            148-177.
         doi:10.4208/ata.OA-2021-0001