Lan, Kunquan, Xiaojing Yang, and Guangchong Yang. “Positive Solutions of One-Dimensional $p$-Laplacian Equations and Applications to Population Models of One Species”. Topological Methods in Nonlinear Analysis 46, no. 1 (September 1, 2015): 431–445. Accessed March 28, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2015.053.