%0 Journal Article %A M. S. Agranovich %T Non-self-adjoint problems with a parameter that are elliptic in the sense of Agmon--Douglis--Nirenberg %J Funkcionalʹnyj analiz i ego priloženiâ %D 1990 %P 59-61 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1990_24_1_a6/ %G ru %F FAA_1990_24_1_a6