TY - BOOK AU - Sun,Wenyu AU - Yuan,Ya-Xian . TI - Optimization theory and methods : nonlinear programming / T2 - Springer optimization its applications v.1, SN - 9780387249759 U1 - 519.3 PY - 2006/// CY - NewYork : PB - Springer , KW - OPTIMIZATION N1 - Includes bibliography and index ER -