TY  - BOOK
AU  - Ratschek H
AU  -  Rokne J
TI  - Computer methods for the range of functions
T2  - Ellis Horwood series in mathematics and its applications
U1  - B3:(D65,8(B), M4 
PY  - 1984///
CY  - New York    
PB  -  John Wiley       
ER  -