Bivariant K -theory for locally convex algebras and the Chern-Connes character. (Bivariante K -Theorie für lokalconvexe Algebren und der Chern-Connes-Charakter.) Cuntz, Joachim (1997) Documenta Mathematica
Bounded countable atomic compactness of ordered groups Friedrich Wehrung (1995) Fundamenta Mathematicae