Cím: | Periodic solutions of nonlinear functional differential equations. |
Szerző: | Hatvani, L. |
Forrás: | Yoshizawa, T. (ed.) et al., Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 120-126 (1991). [ISBN 981-02-0457-4] |
Nyelv: | English |
Absztrakt: | First order systems and a scalar second order equation with unbounded delays are considered. By the use of the Leray-Schauder continuation method, sign conditions are established guaranteeing the existence of periodic solutions. |
Letöltés: | | Zentralblatt |