1. Abstract critical applications to some nonlinear problems with “strong” resonance at infinity;Bartolo;Nonlinear Anal. TMA,1983
2. An existence criterion for the critical points on unbounded manifolds;Cerami;Istit. Lombardo Accad. Sci. Lett. Rend. A,1978
3. Variational elliptic problems which are nonquadratic at infinity;Costa;Nonlinear Anal.,1994
4. On a double resonant problem in RN;Furtado;Differential Integral Equations,2002
5. M.F. Furtado, E.A. de B. e. Silva, Double resonant problems which are locally non-quadratic at infinity, in: Proceedings of the USA–Chile Workshop on Nonlinear Analysis, Viña del Mar-Valparaiso, 2000, 155–171 (electronic), Electron. J. Differ. Equ. Conf., 6, Southwest Texas State Univ., San Marcos, TX, 2001