%0 Journal Article %A V. M. Millionshchikov %T A stability criterion for the probability spectrum of linear systems of differential equations with recurrent coefficients and a~criterion for almost reducibility of systems with almost periodic coefficients %J Sbornik. Mathematics %D 1969 %P 171-193 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1969_7_2_a0/ %G en %F SM_1969_7_2_a0