TY  - BOOK
AU  - Tu, Loring W
TI  - Differential geometry: connections, curvature, and characteristic classes
T2  - Graduate texts in mathematics
SN  - 9783319550824
U1  - 516.36 
PY  - 2017///
CY  - Cham, Switzerland
PB  - Springer
KW  - Geometry; Differential; Mathematics
ER  -