DINU, T. L. Entire solutions of Schrodinger elliptic systems with discontinuous nonlinearity and sign‐changing potential. Mathematical Modelling and Analysis, [S. l.], v. 11, n. 3, p. 229–242, 2006. DOI: 10.3846/13926292.2006.9637315. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9615. Acesso em: 1 jul. 2025.