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On existence of positive periodic solutions

✍ Scribed by Klaudiusz Wójcik


Publisher
Springer Vienna
Year
1998
Tongue
English
Weight
358 KB
Volume
125
Category
Article
ISSN
0026-9255

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On the existence of positive periodic so
✍ Xiong Li; Ziheng Zhang 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 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'skĭ fixed point theorem on the compression and expression of co