TY - JOUR AU - I. V. Gaishun TI - Some Properties of Linear Nonstationary Discrete Systems over Rings JO - Differencialʹnye uravneniâ PY - 2002 SP - 1540 EP - 1548 VL - 38 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2002_38_11_a12/ LA - ru ID - DE_2002_38_11_a12 ER -