The approximation property for weighted function spaces
In: Function Spaces and Dense Approximation : Proc. Conference Bonn 1974 (Bonner Math. Schriften : 81), Jg. 1975, S. 3-25
The approximation-theoretic localization of Schwartz's approximation property for weighted locally convex function spaces and some examples
In: Functional Analysis, Holomorphy and Approximation Theory (Springer Lecture Notes in Mathematics : 843), Jg. 1981, S. 93-149