%0 Journal Article %A V. A. Il'in %T A componentwise localization principle and componentwise equiconvergence with a trigonometric series for expansions in root vectors of the Schr\"odinger operator with a matrix potential %J Doklady Akademii Nauk %D 1991 %P 539-542 %V 319 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_3_a5/ %G ru %F DAN_1991_319_3_a5