%0 Journal Article %A S. N. Vassilyev %A V. M. Matrosov %A E. A. Sumenkov %T The comparison principle in mathematical systems theory %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 227-228 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1985_40_4_a55/ %G en %F RM_1985_40_4_a55