Reelle Transformationsgruppen und invariante Metriken auf komplexen Räumen. W. KAUP — 1967 Inventiones mathematicae
On the automorphisms of circular and Reinhardt domains in complex Banach spaces. Harald Upmeier; R. Braun; W. Kaup — 1978 Manuscripta mathematica
Determining Boundary Sets of Bounded Symmetric Domains. José M. Isidro; W. Kaup — 1993 Manuscripta mathematica