TY  - BOOK
AU  - Fletcher, Roger,
TI  - Unconstrined optimization
T2  - Practical methods of optimization
SN  - 0471277118
AV  - QA402.5 F55
PY  - 1980///
CY  - (hichester, eng.!
PB  - Wiley
KW  - Optimización matemática
N1  - A wiley-interscience publication
ER  -