Differential Geometric Methods in Mathematical Physics Proceedings of an International Conference Held at the Technical University of Clausthal, FRG, August 30 - September 2, 1983 Doebner, Heinz-Dietrich Heftet / 1985 / Engelsk
Differential Geometry, Group Representations, and Quantization Hennig, Jörg-Dieter Heftet / 2014 / Engelsk