00358nam a2200121 a 450000500170000002000150001708200190003210000240005124500690007526000460014430000180019049000280020820251203091959.0  a0070990107  a515.9,bD, spi  aSpiegel, Murray, R.  aTheory and problems of complex variables, Murray R. Spiegel, eng  aSingapore, McGraw-Hill Book Companyc1981  a313p.c26 cm.  aSchaum's outline series