Dubrovin, B A <br/><br/>
Modern geometry: Methods and applications. Pt.1- The geometry of surfaces, transformation groups and fields 

 - 2nd ed. 
 - New Delhi  Springer (India)  2010 
 - xv, 468 p. 
<br/><br/><label>Dewey Class. No.: </label>516 D854M(2)