TY  - BOOK
AU  - Struik, Dirk . J.
TI  - Lectures on Classical Differential Geometry
T2  - Dover Books on Mathematics
SN  - 0486656098
U1  - 516.362 
PY  - 1950///
CY  - New York
PB  - Dover Publications
N1  - Indo--French Project
ER  -