Enden von Räumen mit eigentlichen Transformationsgruppen
Equivariant embeddings of finite abelian group actions in euclidean space
Equivariant Euler characteristics and -homology Euler classes for proper cocompact -manifolds.
Equivariant rigidity theorems.
Errata to the paper "Equivariant embeddings of finite abelian group action in euclidean space" Fundamenta Mathematicae 110 (1980), pp. 25-33
Examples of Free Involutions on Manifolds.
Existence of compact quotients of homogeneous spaces, measurably proper actions, and decay of matrix coefficients
Extensions essentielles d'algèbres de Lie classiques de dimensions infinies