Avgerinos, E. P.; Papageorgiou, N. S.; Yannakakis, N. Periodic solutions for second order differential inclusions with nonconvex and unbounded multifunction. (English) Zbl 0939.34013 Acta Math. Hung. 83, No. 4, 303-314 (1999). Reviewer: David S.Boukal (České Budějovice) MSC: 34A60 49K24 PDFBibTeX XMLCite \textit{E. P. Avgerinos} et al., Acta Math. Hung. 83, No. 4, 303--314 (1999; Zbl 0939.34013) Full Text: DOI
Papageorgiou, N. S.; Shahzad, N. On maximal monotone differential inclusions in \(R^N\). (English) Zbl 0912.49020 Acta Math. Hung. 78, No. 3, 175-197 (1998). MSC: 49K24 PDFBibTeX XMLCite \textit{N. S. Papageorgiou} and \textit{N. Shahzad}, Acta Math. Hung. 78, No. 3, 175--197 (1998; Zbl 0912.49020) Full Text: DOI
Avgerinos, E.; Flytzanis, E.; Papageorgiou, Nikolaos S. On \(U(\cdot{})\)-invariance for finite and infinite dimensional control systems. (English) Zbl 0777.93003 Acta Math. Hung. 59, No. 3-4, 309-318 (1992). Reviewer: A.Munack (Braunschweig) MSC: 93B03 PDFBibTeX XMLCite \textit{E. Avgerinos} et al., Acta Math. Hung. 59, No. 3--4, 309--318 (1992; Zbl 0777.93003) Full Text: DOI