%0 Journal Article %A Vassil Sgurev %A Atanas T. Atanassov %T An Approximate Method for Optimization of a Network Flow With Inverse Linear Constraints %J Yugoslav journal of operations research %D 1998 %P 289 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_1998_8_2_a8/ %G en %F YJOR_1998_8_2_a8