Ricceri, Biagio A note on the Neumann problem. (English) Zbl 1189.35116 Complex Var. Elliptic Equ. 55, No. 5-6, 593-599 (2010). MSC: 35J62 35J20 35J25 35J93 35B38 PDF BibTeX XML Cite \textit{B. Ricceri}, Complex Var. Elliptic Equ. 55, No. 5--6, 593--599 (2010; Zbl 1189.35116) Full Text: DOI arXiv
Cordaro, Giuseppe; Rao, Giuseppe Three solutions for a perturbed Dirichlet problem. (English) Zbl 1141.35030 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3879-3883 (2008). MSC: 35J65 35D05 35J20 PDF BibTeX XML Cite \textit{G. Cordaro} and \textit{G. Rao}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3879--3883 (2008; Zbl 1141.35030) Full Text: DOI