Spiegel, Murray R. <br/><br/>
Theory and Problems of Complex Variables 
/ by Murray R. Spiegel 
 - Singapore  Mc Graw Hill Publishing Co Ltd.  1964 
 - 313p. 
<br/><br/><label>ISBN: </label>0070990107 
<br/><br/><label>Dewey Class. No.: </label>515.91  / SPI/T