Tu, Loring W.  <br/><br/>
Differential geometry: connections, curvature, and characteristic classes 

 - 1st ed. 
 - Switzerland  Springer  2017 
 - xvi, 346p. 
 - Graduate texts in mathematics, 275 .
<br/><br/><label>ISBN: </label>9783319855622 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Christoffel symbols<br/>Gauss–Bonnet theorem
<br/><br/><label>Dewey Class. No.: </label>516.36 TU/D