Chiappinelli, R. On eigenvalues and bifurcation for nonlinear Sturm-Liouville operators. (English) Zbl 0565.34016 Boll. Unione Mat. Ital., VI. Ser., A 4, 77-83 (1985). Reviewer: A.L.Andrew MSC: 34B15 34L99 47J05 PDFBibTeX XMLCite \textit{R. Chiappinelli}, Boll. Unione Mat. Ital., VI. Ser., A 4, 77--83 (1985; Zbl 0565.34016)
Bampi, Franco; Morro, Angelo On functionals made stationary by given functions. (English) Zbl 0555.49005 Boll. Unione Mat. Ital., VI. Ser., A 4, 49-56 (1985). MSC: 49J15 34A34 34A55 PDFBibTeX XMLCite \textit{F. Bampi} and \textit{A. Morro}, Boll. Unione Mat. Ital., VI. Ser., A 4, 49--56 (1985; Zbl 0555.49005)