TY  - BOOK
AU  - Beardon,A.F.
TI  - Complex analysis: the argument principle in analysis and topology 
SN  - 0471996718
PY  - 1979///
CY  - Chichester
PB  - John Wiley & Sons
KW  - Functions of complex variables
KW  - Numbers, Complex
N1  - 'A Wiley-Interscience publication.'; Includes index; Bibliography : p. 235-236
ER  -