%0 Journal Article %A A. V. Dyadechko %T An asymptotic mean-value formula for root functions of a matrix differential operator with a diagonal-matrix eigenvalue %J Differencialʹnye uravneniâ %D 1995 %P 2077-2079 %V 31 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_12_a18/ %G ru %F DE_1995_31_12_a18