%0 Journal Article %A K. Kh. Boimatov %A A. G. Kostyuchenko %T Spectral asymptotics of nonselfadjoint elliptic systems of differential operators on bounded domains %J Sbornik. Mathematics %D 1992 %P 517-531 %V 71 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1992_71_2_a15/ %G en %F SM_1992_71_2_a15