TY - JOUR AU - N. A. Izobov AU - A. V. Filiptsov TI - On the sharpness of conditions for the coincidence of lower Perron exponents of linear differential systems JO - Differencialʹnye uravneniâ PY - 1995 SP - 1300 EP - 1309 VL - 31 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1995_31_8_a3/ LA - ru ID - DE_1995_31_8_a3 ER -