%0 Journal Article %A L.A. Pilipchuk %A E.S. Vecharynski %A Y.H. Pesheva %T Solution of Large Linear Systems with Embedded Network Structure for a Non-Homogeneous Network Flow Programming Problem %J Mathematica balkanica %D 2008 %P 235 %V 22 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2008_22_3-4_a4/ %F MABA_2008_22_3-4_a4