On Periodic Solutions of Higher-Order Functional Differential Equations
1 Andrea Razmadze Mathematical Institute, 1 Aleksidze Street, 0193 Tbilisi, Georgia
2 Department of Mathematics and Statistics, Masaryk University, Janáčkovo nám. 2a, 66295 Brno, Czech Republic
Boundary Value Problems 2008, 2008:389028 doi:10.1155/2008/389028Published: 23 January 2008
For higher-order functional differential equations and, particularly, for nonautonomous differential equations with deviated arguments, new sufficient conditions for the existence and uniqueness of a periodic solution are established.