TY  - BOOK
AU  - Symposium on Differential Geometrical Methods in Mathematical Physics, Univ. of Bonn, July 1-4, 1975
AU  - Bleuler, K.
AU  - Reetz, A.
TI  - Differential geometrical methods in mathematical physics: ; proceedings 
U1  - 530.1 
PY  - 1977///
CY  - Berlin
PB  - Springer-Verlag
ER  -