TY - JOUR AU - Polona Tominc AU - Karin Jurše TI - Some Aspects of Piecewise Linear $L_1$ Approximations in Business Optimization JO - Yugoslav journal of operations research PY - 1996 SP - 289 VL - 6 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_1996_6_2_a12/ LA - en ID - YJOR_1996_6_2_a12 ER -