共 50 条
- [41] Positive solutions for semilinear elliptic systems with sign-changing potentials ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2016, 24 (01): : 383 - 390
- [46] Multiple Positive Solutions for Singular Elliptic Equations with Concave-Convex Nonlinearities and Sign-Changing Weights BOUNDARY VALUE PROBLEMS, 2009,
- [49] Positive and sign-changing solutions for Kirchhoff equations with indefinite potential COMMUNICATIONS IN ANALYSIS AND MECHANICS, 2025, 17 (01): : 159 - 187