1
Lie theory and its applications V : proceedings of the fifth International workshop, Varna, Bulgaria, 16-22 June 2003 [E-Book] /
2
Quantum Groups [E-Book] : Proceedings of the 8th International Workshop on Mathematical Physics Held at the Arnold Sommerfeld Institute, Clausthal, FRG, on 19–26 July 1989 /
3
Group theoretical methods in physics. 16 : international colloquium on group theoretical methods in physics : proceedings : Varna, 15.06.87-20.06.87.
Book
4
Conformal Groups and Related Symmetries Physical Results and Mathematical Background [E-Book] : Proceedings of a Symposium Held at the Arnold Sommerfeld Institute for Mathematical Physics (ASI) Technical University of Clausthal, Germany August 12–14, 1985 /
5
Twistor geometry and nonlinear systems. 4 : mathematical problems of quantum field theory : bulgarian summer school : Primorsko, 09.80.
Book
Other Personal Name(s): ...Doebner, H. D....
6
Untersuchungen über limitierbare dynamische Gruppen /
Book
Other Personal Name(s): ...Doebner, H. D....