%0 Journal Article %A V. A. Yakubovich %T An a priori estimate of the decrease of decreasing solutions of nonlinear systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1974 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1974_29_3_a38/ %G ru %F RM_1974_29_3_a38