TY  - BOOK
AU  - ed. by Debrus, J.
AU  - Hirshfeld, A.C.
TI  - Geometry and theoretical physics /eds. J. Debrus, A.C. Hirshfeld
SN  - 3540535705
U1  - 530.156 
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
ER  -