- Doebner, Heinz Dietrich, 1931- (9)
- Hennig, Jörg Dieter (3)
- Andersson, Stig Ingvar, 1945- (2)
- Palev, Tchavdar D., 1936- (2)
- Bulgarian Summer School on Mathematical Problems of Quantum Field Theory (1)
- Conference on Differential Geometric Methods in Theoretical Physics (1)
- Denardo, G. (Gallieno), 1935- (1)
- International Colloquium on Group Theoretical Methods in Physics (1)
- International Colloquium on Group Theoretical Methods in Physics (21st : 1996 : Goslar, Germany) (1)
- International Conference on Differential Geometric Methods in Mathematical Physics (1)
- International Workshop on Mathematical Physics (1)
- Nattermann, P. (1)
- Petry, Herbert Rainer (1)
- Scherer, W. (1)
- Schulte, C. (1)