Berger, Melvyn S. Nonlinear problems with exactly three solutions. (English) Zbl 0431.47037 Indiana Univ. Math. J. 28, 689-698 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 11 Documents MSC: 47J05 Equations involving nonlinear operators (general) 58E07 Variational problems in abstract bifurcation theory in infinite-dimensional spaces 35J60 Nonlinear elliptic equations Keywords:nonlinear Fredholm operators; nonlinear elliptic boundary value problem PDF BibTeX XML Cite \textit{M. S. Berger}, Indiana Univ. Math. J. 28, 689--698 (1979; Zbl 0431.47037) Full Text: DOI OpenURL