Pustylnik, E., S. Reich, and A. J. Zaslavski. “NEW POSSIBILITIES REGARDING THE ALTERNATING PROJECTIONS METHOD”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), vol. 2, no. 1, Dec. 2011, pp. 35-39, https://ph03.tci-thaijo.org/index.php/jnao/article/view/2612.