Superlinear equations involving nonlinearities limited by asymptotically homogeneous functions. Lorca, Sebastián; Souto, Marco Aurelio; Ubilla, Pedro — 2007 Journal of Inequalities and Applications [electronic only]
An application of the dual variational principle to a Hamiltonian system with discontinuous nonlinearities. Alves, Claudianor O.; de Morais Filho, Daniel C.; Souto, Marco Aurelio S. — 2004 Electronic Journal of Differential Equations (EJDE) [electronic only]