%0 Journal Article %A A. N. Kozhevnikov %T Diagonalization of systems, elliptic in the Douglis--Nirenberg sense, on manifolds with boundary %J Funkcionalʹnyj analiz i ego priloženiâ %D 1991 %P 71-73 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1991_25_3_a7/ %G ru %F FAA_1991_25_3_a7