Kondo, Atsumasa. “Fixed Point Theorem for Generic 2-Generalized Hybrid Mappings in Hilbert Spaces”. Topological Methods in Nonlinear Analysis 59, no. 2B (June 12, 2022): 833–849. Accessed April 26, 2024. https://apcz.umk.pl/TMNA/article/view/38703.