Hitchin, N. J. <br/><br/>
Integrable systems  : twistors, loop groups, and riemann surfaces / 

 - Oxford:  Clarendon Press,  1999 
 - 
<br/><br/> "Purchased under NBHM grant for the year 1998-99" 
<br/><br/><label>Dewey Class. No.: </label>515.9  / H675.IS