TY  - BOOK
AU  - R. Spiegel, Murray
TI  - Theory and Problems of Complex Variables: With an introduction to conformal mapping and its application 
SN  - 0-07-099010-7
U1  - 517.8 
PY  - 1981///
CY  - Singapore
PB  - McGraw-Hill Book Company
KW  - MATHEMATICS
ER  -