Toponogov, Victor A.  . <br/><br/>
Differential geometry of curves and surfaces : A concise guide /  
by Victor A. toponogov. 
 - New York :   Birkhauser ,   2006 
 - xi, 206p :  
<br/><br/><label>ISBN: </label>0-8176-4384-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>B6:3  / P6