Vissza |
Bing, Xie; Huaqing, Sun; Xinwei, GuoB; Webb, Jeff R. L.: Non-real eigenvalues of symmetric Sturm–Liouville problems with indefinite weight functions. Electronic journal of qualitative theory of differential equations 18. pp. 1-14. (2017)
Webb, Jeff R. L.: Positive solutions of nonlinear differential equations with Riemann–Stieltjes boundary conditions. Electronic journal of qualitative theory of differential equations 86. pp. 1-13. (2016)