P. L. Butzer

Anniversary Volume on Approximation Theory and Functional Analysis

2014

Karl der Grosse und sein Nachwirken, 1200 Jahre Kultur und Wissenschaft in Europa =

1997

On Approximation Theory (International Series of Numerical Mathematics)

1980

Linear Operators and Approximation II / Lineare Operatoren und Approximation II

2013

Functional Analysis and Approximation

1981

Contributions to Functional Analysis

2012

Abstract Spaces and Approximation / Abstrakte Raume und Approximation

2014

Fourier Analysis and Approximation

1971