TY - BOOK AU - Fletcher, R. TI - Practical methods of optimization SN - 0471915475 : U1 - 515 FLE 19 PY - 1987/// CY - Chichester, New York PB - Wiley KW - Mathematical optimization N1 - "A Wiley-Interscience publication."; Includes bibliography: p.417-429 and index ER -