Maximal semigroups and controllability in products of Lie groups
In: Archiv der Mathematik, Vol. 1987, page 189-1952009
The Mayer-Vietoris and the Puppe sequences in K-theory for C*-Algebras
In: Studia mathematica <Warszawa>, Vol. 1986, page 97-1042009
Maximal semigroups and the support of Gauss-semigroups
In: Probability and Bayesian statistics : [based on the proceedings of the International Symposium on Probability and Bayesian Statistics, held September 23 - 26, Vol. 1987, page 257-2622009