TY - BOOK AU - Bleuler,K. AU - Reetz,A. AU - Petry,H.R. TI - Differential geometrical methods in mathematical physics: proceedings, University of Bonn, July 13-16, 1977 SN - 0387089357 PY - 1978/// CY - Berlin PB - Springer-Verlag KW - Geometry, Differential KW - Congresses KW - Mathematical physics N1 - Includes index; Includes bibliographical references ER -