TY - JOUR AU - E. A. Barabanov TI - Singular Exponents and Properness Criteria for Linear Differential Systems JO - Differencialʹnye uravneniâ PY - 2005 SP - 147 EP - 157 VL - 41 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2005_41_2_a0/ LA - ru ID - DE_2005_41_2_a0 ER -