Schaum's outline of complex variables  with an introduction to conformal mapping and its applications 
Murray R. Spiegel ...[et al.]. 
 - New York  McGraw-Hill  2009 
 - ix, 374 p. 
<br/><br/><label>ISBN: </label>0071615693 
<br/><br/><label>LC Class. No.: </label>QA331.7  / .S33 2009 c. 1