%0 Journal Article %A V. A. Vinokurov %T Logarithm of the solution of a linear differential equation, the %J Doklady Akademii Nauk %D 1991 %P 792-797 %V 319 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_4_a3/ %G ru %F DAN_1991_319_4_a3