References
- C. O. Alves, D. C. De Morais Filho, and M. A. Souto, On systems of equations involving subcritical or critical Sobolev exponents, Nonlinear Analysis, Theory, Meth. and Appl. 42 (2000), 771-787. https://doi.org/10.1016/S0362-546X(99)00121-2
- A. Ambrosetti and G. Prodi, On the inversion of some differential mappings with singularities between Banach spaces, Ann. Mat. Pura. Appl. 93 (1972), 231-246. https://doi.org/10.1007/BF02412022
- K. C. Chang, Ambrosetti-Prodi type results in elliptic systems, Nonlinear Analysis TMA. 51 (2002), 553-566. https://doi.org/10.1016/S0362-546X(01)00146-8
- D. G. de Figueiredo, Lectures on boundary value problems of the Ambrosetti-Prodi type, 12 Seminario Brasileiro de Analise, 232-292 (October 1980).
- M. Ghergu and V. D. Radulescu, Singular elliptic problems Bifurcation and Asymptotic Analysis, Clarendon Press Oxford 2008.
- Rabinowitz, P. H., Minimax methods in critical point theory with applications to differential equations, CBMS. Regional conf. Ser. Math. 65, Amer. Math. Soc., Providence, Rhode Island (1986).