TY  - BOOK
AU  - Hille Einar
TI  - Ordinary differential equations in the complex  domain
T2  - Pure and applied mathematics
U1  - B331, L6 
PY  - 1976///
CY  - New York    
PB  -  John Weley & sons     
KW  - Differential equations
N1  - Bibliography 468-470p
ER  -