TY  - BOOK
AU  - Spiegel,Murray R.
TI  - Complex variables : with an introduction to conformal mapping and its application 
SN  - 0-07-099010-7
U1  - 515.9 
PY  - 1964///
CY  - Singapore
PB  - McGraw hill
KW  - Functions of real variables
KW  - Mathematics
ER  -