TY - BOOK AU - Doebner, H.D. AU - Andersson,S.I. TI - Differential geometric methods in Mathematical Physics, Clausthal 1980: proceedings of an International Conference held at the Technical University of Clausthal, FRG, July 23 - 25, 1980 SN - 3540111972 PY - 1982/// CY - Berlin PB - Springer-Verlag KW - Geometry, Differential KW - Congresses KW - Mathematical physics ER -