TY  - BOOK
AU  - Heinrich  W. Guggenheimer
TI  - Differential geometry
U1  - 517.7 
PY  - 1963///
CY  - New York
PB  - McGraw Hill Book Co.
N1  - Heinrich  W. Guggenheimer: Differential geometry.  New York.  McGraw Hill Book Co., 1963.--(517.7GUG)
ER  -