Error Estimates for Sampling Sums Based on Convolution Integrals - Rudolf L. Stens (Inf. Control., 1980)

Sampling Theory for not Necessarily Band-Limited Functions: A Historical Overview. - Paul L. Butzer; Rudolf L. Stens (SIAM Rev., 1992)

Classical and approximate sampling theorems; studies in the lP(R) and the uniform norm. - Paul L. Butzer; J. R. Higgins; Rudolf L. Stens (J. Approx. Theory, 2005)

Prediction by samples from the past with error estimates covering discontinuous signals. - Carlo Bardaro; Paul L. Butzer; Rudolf L. Stens; Gianluca Vinti (IEEE Trans. Inf. Theory, 2010)

Shannon's Sampling Theorem for Bandlimited Signals and Their Hilbert Transform, Boas-Type Formulae for Higher Order Derivatives - The Aliasing Error Involved by Their Extensions from Bandlimited to Non-Bandlimited Signals. - Paul L. Butzer; Gerhard Schmeisser; Rudolf L. Stens (Entropy, 2012)

The classical and approximate sampling theorems and their equivalence for entire functions of exponential type. - Paul L. Butzer; Gerhard Schmeisser; Rudolf L. Stens (J. Approx. Theory, 2014)

Sobolev spaces of fractional order, Lipschitz spaces, readapted modulation spaces and their interrelations; applications. - Paul L. Butzer; Gerhard Schmeisser; Rudolf L. Stens (J. Approx. Theory, 2016)

A retrospective on research visits of Paul Butzer's Aachen research group to North America and Western Europe. - Paul L. Butzer; Rudolf L. Stens (J. Approx. Theory, 2020)

Boundary value problems of potential theory for the exterior ball and the approximation and ergodic behaviour of the solutions. - P. L. Butzer; Rudolf L. Stens (J. Approx. Theory, 2023)

The Butzer-Kozakiewicz article on Riemann derivatives of 1954 and its influence. - P. L. Butzer; Rudolf L. Stens (Adv. Comput. Math., 2023)