Rational Approximation and Interpolation: Proceedings of the United Kingdom - United States Conference, held at Tampa, Florida, December 12-16, 1983 (Lecture Notes in Mathematics, 1105)
Approximation Theory: Proceedings of an International Conference held at Bonn, Germany, June 8-11, 1976 (Lecture Notes in Mathematics, 556) (German, English and French Edition)
Numerical Methods in Approximation Theory
Multivariate Approximation and Splines
Progress in Approximation Theory An International Perspective
Numerical Methods of Approximation Theory/Numerische Methoden der Approximationstheorie Workshop on Numerical Methods of Approximation Theory Oberwolfach, September 28–October 4, 1986/Tagung über Numerische Methoden der Approximationstheorie Oberwolfach, 28. September–4. Oktober 1986
New Developments in Approximation Theory 2nd International Dortmund Meeting (IDoMAT) '98, Germany, February 23-27, 1998
Approximation of Functions of Several Variables and Imbedding Theorems (Grundlehren der mathematischen Wissenschaften)
Approximation Theory XIV: San Antonio 2013
Asymptotic Analysis II: Surveys and New Trends (Lecture Notes in Mathematics, 985)
