REICH, Simeon and TUYEN, Truong Minh. Regularization methods for solving the split feasibility problem with multiple output sets in Hilbert spaces. Topological Methods in Nonlinear Analysis. Online. 29 November 2022. Vol. 60, no. 2, pp. 547 - 563. [Accessed 5 July 2025]. DOI 10.12775/TMNA.2022.020.