Kitkuan, D., J. Zhao, H. Zong, and W. Kumam. “Acceleration of the Modified \(S\)-Algorithm to Search for a Fixed Point of a Nonexpansive Mapping”. Communications in Mathematics and Applications, vol. 10, no. 2, June 2019, pp. 231-43, doi:10.26713/cma.v10i2.1071.