TY  - BOOK
AU  - Berenstein Carlos A
AU  -  Gay Roger
TI  - Complex variables: An introduction
T2  - Graduate texts in mathematics; 125
U1  - B38, N1 
PY  - 1991///
CY  - New York    
PB  -  Springer Verlag       
KW  -  Mathematics
KW  - Complex variables
ER  -