Soori, Ebrahim, et al. “Existence of Sunny Nonexpansive Retractions and Approximation of Fixed Points of a Representation of Nonexpansive Mappings”. Nonlinear Analysis: Modelling and Control, vol. 29, no. 5, July 2024, pp. 878-89, https://doi.org/10.15388/namc.2024.29.35559.