EXISTENCE OF ROTATING-PERIODIC SOLUTIONS FOR NONLINEAR SYSTEMS VIA UPPER AND LOWER SOLUTIONS

Autor:	YANG, XUE, ZHANG, YU, LI, YONG
Zdroj:	The Rocky Mountain Journal of Mathematics, 2017 Jan 01. 47(7), 2423-2438.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26579660 Zobrazit plný text záznamu