TY - JOUR AU - O. P. Stepanovich TI - The influence of exponentially decreasing perturbations on the Demidovich characteristic exponents of diagonal systems JO - Differencialʹnye uravneniâ PY - 1997 SP - 245 EP - 248 VL - 33 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1997_33_2_a13/ LA - ru ID - DE_1997_33_2_a13 ER -