%0 Journal Article %A B. F. Bylov %A È. A. Tikhonova %T On the stability of central and general indices of a piecewise-constant system %J Differencialʹnye uravneniâ %D 1981 %P 2115-2122 %V 17 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_12_a0/ %G ru %F DE_1981_17_12_a0