Yuan, George X. “Fixed Point Theorems for Continuous Single-Valued and Upper Semicontinuous Set-Valued Mappings in $p$-Vector and Locally $p$-Convex Spaces”. Topological Methods in Nonlinear Analysis 63, no. 1 (March 3, 2024): 209–225. Accessed July 24, 2024. https://apcz.umk.pl/TMNA/article/view/49149.