On positive solutions for a second order differential system with indefinite weight

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摘要

In this paper, we consider the existence of positive solutions for a second order differential system-u″=a(t)φu+h(t)f(u),0

论文关键词：Positive solutions,Indefinite weight,Fixed point theorem

论文评审过程：Available online 27 March 2015.

论文官网地址：https://doi.org/10.1016/j.amc.2015.02.089