ALVES, Claudianor O.; NASCIMENTO, Rúbia G. Existence and Concentration of Solutions for a Class of Elliptic Problems with Discontinuous Nonlinearity in $\mathbf{R}^{N}$. Mathematica Scandinavica, Berkeley, CA, United States, v. 112, n. 1, p. 129–146, 2013. DOI: 10.7146/math.scand.a-15237. Disponível em: https://journals.msp.org/mscand/article/view/460. Acesso em: 24 jul. 2026.