TY - BOOK AU - Willers,Friedrich Adolf AU - Beyer,Robert T. TI - Practical analysis: graphical and numerical methods U1 - 510.78 PY - 1948///] CY - New York PB - Dover Publications KW - Approximation theory KW - Numerical analysis N1 - Translation of: Methoden der praktischen Analysis; Includes bibliographical references and index ER -