TY  - BOOK
AU  - Churchill,ruel v., x
AU  - x
TI  - Complex variables and applications,: x
SN  - x
U1  - 517.8/CHC 
PY  - 1960///
CY  - New york
PB  - Mcgraw-hill.
KW  - Calculus
KW  - Calculas
N1  - x
ER  -