Continuity of convolution of test functions on Lie groups
L. Birth, H. Glöckner, Canadian Journal of Mathematics 66 (2014) 102–140.

Upper bounds for continuous seminorms and special properties of bilinear maps
H. Glöckner, Topology and Its Applications 159 (2012) 2990–3001.

Continuity of bilinear maps on direct sums of topological vector spaces
H. Glöckner, Journal of Functional Analysis 262 (2012) 2013–2030.