TY  - BOOK
AU  - Ratschek H
AU  -  Rokne J
TI  - Computer methods for the rang of functions
U1  - B3:(D65,8(B), M4;1 
PY  - 1984///
CY  - Chichester
PB  - Ellis Harwood        
N1  - Bibliography 159-164p
ER  -