%0 Journal Article %A E. K. Makarov %A I. V. Marchenko %T On an Algorithm for Constructing an Attainable Upper Boundary for the Higher Exponent of Perturbed Systems %J Differencialʹnye uravneniâ %D 2005 %P 1621-1634 %V 41 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_12_a5/ %G ru %F DE_2005_41_12_a5