Cordaro, Giuseppe; Rao, Giuseppe Three periodic solutions for perturbed second order Hamiltonian systems. (English) Zbl 1185.34048 J. Math. Anal. Appl. 359, No. 2, 780-785 (2009). Reviewer: Chun-Lei Tang (Chongqing) MSC: 34C25 47J30 PDF BibTeX XML Cite \textit{G. Cordaro} and \textit{G. Rao}, J. Math. Anal. Appl. 359, No. 2, 780--785 (2009; Zbl 1185.34048) Full Text: DOI
Cordaro, Giuseppe Existence and location of periodic solutions to convex and non coercive Hamiltonian systems. (English) Zbl 1082.34012 Discrete Contin. Dyn. Syst. 12, No. 5, 983-996 (2005). Reviewer: Vasile Marinca (Timişoara) MSC: 34B15 34C25 37J45 PDF BibTeX XML Cite \textit{G. Cordaro}, Discrete Contin. Dyn. Syst. 12, No. 5, 983--996 (2005; Zbl 1082.34012) Full Text: DOI
Cordaro, Giuseppe Three periodic solutions to an eigenvalue problem for a class of second-order Hamiltonian systems. (English) Zbl 1093.34019 Abstr. Appl. Anal. 2003, No. 18, 1037-1045 (2003). Reviewer: Klaudiusz Wójcik (Kraków) MSC: 34C25 34B15 37J45 PDF BibTeX XML Cite \textit{G. Cordaro}, Abstr. Appl. Anal. 2003, No. 18, 1037--1045 (2003; Zbl 1093.34019) Full Text: DOI EuDML