TY - JOUR T1 - Huber Approximation for the Nonlinear l1 Problem A1 - Pinar, M.C. A1 - Hartmann, W.M. JA - European J of Operational Research Y1 - 2006 VL - 109 SP - 1096 EP - 1107 N1 - upd vol/pg 14-12-05 ER -