Precup, Radu On the Palais-Smale condition for Hammerstein integral equations in Hilbert spaces. (English) Zbl 1042.47530 Nonlinear Anal., Theory Methods Appl. 47, No. 2, 1233-1244 (2001). Cited in 3 Documents MSC: 47H30 Particular nonlinear operators (superposition, Hammerstein, Nemytskiĭ, Uryson, etc.) 45N05 Abstract integral equations, integral equations in abstract spaces 47H09 Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc. 47J30 Variational methods involving nonlinear operators PDF BibTeX XML Cite \textit{R. Precup}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 47, No. 2, 1233--1244 (2001; Zbl 1042.47530) Full Text: DOI