TY  - BOOK
AU  - Spiegel, Murray R.
AU  - Lipschutz, Seymour.
AU  - Schiller, John J.
AU  - Spellman, Dennis.
TI  - Complex Variables 
SN  - 9780070085381
U1  - 515.9 
PY  - 2009///
CY  - New Delhi : 
PB  - McGraw Hill Education Private Limited, 
N1  - Includes index.
ER  -