caa a22 4500 606166300 CHVBK 20210128100657.0 cr unu---uuuuu 210128e20151001xx s 000 0 eng 10.1007/s10440-014-9970-4 doi (NATIONALLICENCE)springer-10.1007/s10440-014-9970-4 Infinitely Many Periodic Solutions for a Class of Perturbed Second-Order Differential Equations with Impulses [Elektronische Daten] [Shapour Heidarkhani, Massimiliano Ferrara, Amjad Salari] We investigate the existence of infinitely many periodic solutions generated by impulses for a class of perturbed second-order impulsive differential equations. Our approach is based on variational methods and critical point theory. Springer Science+Business Media Dordrecht, 2014 Periodic solutions nationallicence Perturbed impulsive differential equation nationallicence Critical point theory nationallicence Variational methods nationallicence Heidarkhani Shapour Department of Mathematics, Faculty of Sciences, Razi University, 67149, Kermanshah, Iran aut Ferrara Massimiliano Department of Law and Economics, University Mediterranea of Reggio Calabria, Via dei Bianchi, 2, 89131, Reggio Calabria, Italy aut Salari Amjad Department of Mathematics, Faculty of Sciences, Razi University, 67149, Kermanshah, Iran aut Acta Applicandae Mathematicae Springer Netherlands 139/1(2015-10-01), 81-94 0167-8019 139:1<81 2015 139 10440 https://doi.org/10.1007/s10440-014-9970-4 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10440-014-9970-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Heidarkhani Shapour Department of Mathematics, Faculty of Sciences, Razi University, 67149, Kermanshah, Iran aut NATIONALLICENCE 700 1- Ferrara Massimiliano Department of Law and Economics, University Mediterranea of Reggio Calabria, Via dei Bianchi, 2, 89131, Reggio Calabria, Italy aut NATIONALLICENCE 700 1- Salari Amjad Department of Mathematics, Faculty of Sciences, Razi University, 67149, Kermanshah, Iran aut NATIONALLICENCE 773 0- Acta Applicandae Mathematicae Springer Netherlands 139/1(2015-10-01), 81-94 0167-8019 139:1<81 2015 139 10440