%0 Journal Article %A L. A. Sakhnovich %T Spectral Theory of a Class of Canonical Differential Systems %J Funkcionalʹnyj analiz i ego priloženiâ %D 2000 %P 50-62 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2000_34_2_a5/ %G ru %F FAA_2000_34_2_a5