An introduction to the theory of functions of a complex variable / by E.T. Copson ... Print Copson, E. T. (Edward Thomas), 1901- 13094 Functions. 12725 QA331 .C67 517.8 COI Includes "References". Oxford : The Clarendon press, c1935. c1935. 1935 Text 4 p.l., 448 p. eng