TY  - BOOK
AU  - Churchill, Ruel V.
AU  - Brown, James Ward
TI  - Complex variables and applications [5th ed.]
SN  - 9780071006798
U1  - 517.5 
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - Functions of complex variables
ER  -