@article{MABA_2007_21_3-4_a8,
     author = {L.A. Pilipchuk and I.V. Romanovski and Y.H. Pesheva},
     title = {Inverse {Matrix} {Updating} in {One} {Inhomogeneous} {Network} {Flow} {Programming} {Problem}},
     journal = {Mathematica balkanica},
     pages = {329},
     publisher = {mathdoc},
     volume = {21},
     number = {3-4},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/MABA_2007_21_3-4_a8/}
}