TY - JOUR AU - Antczak, Tadeusz TI - A second order $\eta $-approximation method for constrained optimization problems involving second order invex functions JO - Applications of Mathematics PY - 2009 SP - 433 EP - 445 VL - 54 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10492-009-0028-2/ DO - 10.1007/s10492-009-0028-2 LA - en ID - 10_1007_s10492_009_0028_2 ER -