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)
PY  - 1984///
CY  - Chichester
PB  - Ellis Horwood
N1  - Bibliog on p. 159 - 164
ER  -