TY - JOUR AU - A. V. Kraev AU - A. S. Fursov TI - Lower and Upper Bounds of the Instability Radii for Families of Polynomials with a Fixed Subset of Coefficients JO - Differencialʹnye uravneniâ PY - 2005 SP - 1510 EP - 1516 VL - 41 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2005_41_11_a7/ LA - ru ID - DE_2005_41_11_a7 ER -