%0 Journal Article %A V. Ch. Kudaev %T Extremum principles for the analysis of nonlinear network systems %J News of the Kabardin-Balkar scientific center of RAS %D 2005 %P 20-28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_2005_2_a3/ %G ru %F IZKAB_2005_2_a3