%0 Journal Article %A S.K. Mishra %A B.B. Upadhyay %T Efficiency and Duality in Nonsmooth Multiobjective Fractional Programming Involving η-pseudolinear Functions %J Yugoslav journal of operations research %D 2012 %P 3 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2012_22_1_a0/ %G en %F YJOR_2012_22_1_a0