TY  - BOOK
AU  - Sansone,Giovanni
AU  - Gerretsen,Johan
TI  - Lectures on the theory of functions of a complex variable, I: holomorphic functions 
PY  - 1960///
CY  - Groningen
PB  - P. Noordhoff
KW  - Functions of complex variables
N1  - 1. Holomorphic functions
ER  -