Ablowitz, Mark J. <br/><br/>
Complex variables  : introduction and applications  
/ by Mark J. Ablowitz and Athanassios S. Fokas 
 - 2nd ed. 
 - UK:  Cambridge University Press,  2003. 
 - 647p. 
<br/><br/><label>ISBN: </label>9780521682152 
<br/><br/><label>Dewey Class. No.: </label>519.9  / ABL/C