1. Contributions to the duality theory of Abelian topological groups and to the theory of nuclear groups;Aussenhofer;Dissertationes Math.,1999
2. L. Aussenhofer, A survey on nuclear groups, Selected Lectures of the Workshop, Madrid, Spain, September 1999, Heldermann Verlag, Lemgo; Res. Expo. Math. 24 (2001) 1–30.
3. W. Banaszczyk, Additive Subgroups of Topological Vector Spaces, Lecture Notes in Mathematics, vol. 1466, Springer, Berlin, 1991.
4. Countable products and sums of lines and circles;Brown;Math. Proc. Camb. Philos. Soc.,1975
5. Some properties of locally quasi-convex groups;Brugera;Topol. Appl.,1997