Dai, Guowei. “Eigenvalues, Global Bifurcation and Positive Solutions for a Class of Nonlocal Elliptic Equations”. Topological Methods in Nonlinear Analysis 48, no. 1 (July 3, 2016): 213–233. Accessed July 1, 2025. https://apcz.umk.pl/TMNA/article/view/TMNA.2016.043.