共 50 条
- [21] Existence of positive solutions to periodic boundary value problems with sign-changing Green's function BOUNDARY VALUE PROBLEMS, 2011,
- [26] Existence and Multiplicity of Solutions for a Class of (p, q)-Laplacian Equations in RN with Sign-changing Potential TAIWANESE JOURNAL OF MATHEMATICS, 2020, 24 (01): : 159 - 178
- [28] Existence of positive weak solutions for a class of fractional Laplacian systems with sign-changing weight functions INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 2025,
- [29] Positive and sign-changing solutions for Kirchhoff equations with indefinite potential COMMUNICATIONS IN ANALYSIS AND MECHANICS, 2025, 17 (01): : 159 - 187