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On periodic solutions of second order dynamic systems near piece-wise linear ones

โœ Scribed by N.N. Serebriakova


Publisher
Elsevier Science
Year
1963
Tongue
English
Weight
977 KB
Volume
27
Category
Article
ISSN
0021-8928

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On the existence of positive periodic so
โœ Xiong Li; Ziheng Zhang ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 117 KB

## Abstract In this paper, we establish several criteria for the existence, multiplicity, nonexistence of positive periodic solutions of the following system by combining some new properties of Green's function together with Krasnosel'skฤญ fixed point theorem on the compression and expression of co