%0 Journal Article
%A B. P. Demidovich
%T On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1952
%P 123-132
%V 163
%N 163
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/
%G ru
%F UZMU_1952_163_163_a7