TY - JOUR AU - I.M. Stancu-Minasian AU - Gheorghe Dogaru AU - Andreea Mădălina Stancu TI - Duality for Multiobjective Fractional Programming Problems Involving $d$-Type-I -Set $n$-Functions JO - Yugoslav journal of operations research PY - 2009 SP - 63 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_2009_19_1_a3/ LA - en ID - YJOR_2009_19_1_a3 ER -