1. The method of successive projection for finding a common point of convex sets;Bregman;Dokl. Akad. Nauk SSSR,1965
2. The fast Fourier transform;Brigham,1964
3. Super-resolution through error energy reduction;Gerchberg;Optica Acta,1974
4. The method of projections for finding the common point of convex sets;Gubin;U.S.S.R. Computational Math. and Math. Phys.,1967
5. The product of projection operators;Halperin;Acta Sci. Math.,1962