Durege, Heinrich,  1821-1893 <br/><br/>
Elements of the theory of functions of a complex variable :  with special reference to the methods of Riemann / 
by Dr. H. Durege ; Authorized translation from the 4th German edited by George Egbert Fisher and Isaac J. Schwatt. 
 - Philadelphia :  G.E. Fisher and I.J. Schwatt,  1896 
 - xiii, 288 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions
<br/><br/><label>Dewey Class. No.: </label>517.8