TY - BOOK AU - Singer, Ivan TI - Duality for Nonconvex Approximation and Optimization SN - 9780387283944 U1 - 515.8 SIN PY - 2006/// CY - New York PB - Springer Verlag, Netherlands KW - Convexity spaces KW - Convex domains KW - Approximation Theory KW - Duality theory (Mathematics) KW - Convex sets KW - Convex functions ER -