期刊论文详细信息
Boundary value problems
Existence of positive periodic solutions of second-order differential equations with weak singularities
You Ma1 
[1] School of Mathematical Sciences, Beijing Normal University, Beijing, P.R. China
关键词: periodic solution;    weak singularity;    Schauder’s fixed point theorem;    indefinite weight;   
DOI  :  10.1186/s13661-014-0188-1
学科分类:数学(综合)
来源: SpringerOpen
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