Hölder continuous homomorphisms between infinite-dimensional Lie groups are smooth
H. Glöckner, Journal of Functional Analysis 228 (2005) 419–444.

Conveniently Hölder homomorphisms are smooth in the convenient sense
H. Glöckner, Annals of Global Analysis and Geometry 27 (2005) 227–255.

Differential calculus over general base fields and rings.
W. Bertram, H. Glöckner, K.-H. Neeb, Expositiones Mathematicae 22 (2004) 213–282.

Examples of differentiable mappings into non-locally convex spaces.
H. Glöckner, Topology Proceedings 28 (2004) 479–486.

Infinite-dimensional Lie groups without completeness restrictions
H. Glöckner, in: Geometry and Analysis on Finite- and Infinite-Dimensional Lie Groups. Proceedings of the Workshop on Lie Groups and Lie Algebras, Bdlewo, Poland, September 4–15, 2000, Warszawa: Polish Academy of Sciences, Institute of Mathematics, 2002, pp. 43–59.