1. Iterative behandlung linearen funktionalgleichungen;Bialy;Arch. Rational Mech. Anal.,1959
2. Regularized iterative restoration in a weighted Hilbert space;Biemond,1986
3. Least squares methods;Björck,1990
4. The method of succesive projection for finding a common point of convex Sets;Bregmann;Dokl. Akad. Nauk. SSSR,1965
5. Operational Mathematics;Churchill,1972