TY - JOUR AU - B. F. Bylov AU - È. A. Tikhonova TI - On the stability of central and general indices of a piecewise-constant system JO - Differencialʹnye uravneniâ PY - 1981 SP - 2115 EP - 2122 VL - 17 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_12_a0/ LA - ru ID - DE_1981_17_12_a0 ER -