TY  - BOOK
AU  - Berger,Marcel
AU  - Gostiaux,Bernard
TI  - Differential geometry: manifolds, curves, and surfaces 
SN  - 0387966269
PY  - 1988///
CY  - New York
PB  - Springer-Verlag
KW  - Geometry, Differential
N1  - Includes index; p. 443-452
ER  -