Showing 1 - 2 results of 2 for search '"strict lower and upper solutions"', query time: 1.89s Refine Results
  1. 1
    Bifurcation analysis for a singular differential system with two parameters via to topological degree theory
    by Lishan Liu, Fenglong Sun, Xinguang Zhang, Yonghong Wu
    Published 2017-01-01
    Subjects: “...strict lower and upper solutions...”
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    Article
  2. 2
    Existence of positive solutions for systems of nonlinear Sturm-Liouville differential equations with weight functions
    by Jinfang He, Lu Yang
    Published 2019-09-01
    Subjects: “...strict lower and upper solutions...”
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    Article
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