TY - JOUR AU - V. A. Vinokurov TI - Logarithm of the solution of a linear differential equation, the JO - Doklady Akademii Nauk PY - 1991 SP - 792 EP - 797 VL - 319 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_319_4_a3/ LA - ru ID - DAN_1991_319_4_a3 ER -