Falset, J. G., Llorens-Fuster, E., Marino, G., & Rugiano, A. (2016). On Strong Convergence of Halpern’s Method for Quasi-Nonexpansive Mappings in Hilbert Spaces. Mathematical Modelling and Analysis, 21(1), 63-82. https://doi.org/10.3846/13926292.2016.1132787