%0 Journal Article %A Ştefan Mititelu %A I. M. Stancu-Minasian %T Efficiency and Duality for Multiobjective Fractional Variational Problems With $( ho, b)$-Quasiinvexity %J Yugoslav journal of operations research %D 2009 %P 85 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2009_19_1_a5/ %G en %F YJOR_2009_19_1_a5