Pogorelov, A. V. <br/><br/>
Differential geometry / 
A. V. Pogorelov; translated from the firs t Russian ed. by Leo F. Boron. 
 - Groningen :  P. Noordhoff,  1967. 
 - 188 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 173). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Differential.
<br/><br/><label>Dewey Class. No.: </label>516.7 POG