Rassias J.M. (ed.) Functional Analysis, Approximation Theory and Numerical Analysis

Singapore: World Scientific, 1994. — 321 p.This book consists of papers written by outstanding mathematicians. It deals with both theoretical and applied aspects of the mathematical contributions of Banach, Ulam, and Ostrowski, which broaden the horizons of Functional Analysis, Approximation Theory, and Numerical Analysis in accordance with contemporary mathematical standards.