TY  - BOOK
AU  - Kreyszig, Erwin 
TI  -  Introduction to Differential Geometry and Riemannian Geometry
U1  - 516.7 KRE 
PY  - 1969///
CY  - .- New York 
PB  - : University of Toronto Press
KW  - Mathematics
KW  - Differential Geometry
ER  -