@article{YJOR_1995_5_1_a8,
     author = {Dimiter Ivanchev},
     title = {Sensitivity {Analysis} of {Network} {Optimization} {Problems}},
     journal = {Yugoslav journal of operations research},
     pages = {95 },
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_1995_5_1_a8/}
}