Jia, Haohao, Feiyao Ma, and Weifeng Wo. “Second-Order Boundary Estimates for Large Positive Solutions to an Elliptic System of Competitive Type”. Topological Methods in Nonlinear Analysis 57, no. 2 (June 2, 2021): 695–708. Accessed July 22, 2024. https://apcz.umk.pl/TMNA/article/view/TMNA.2020.057.