%0 Journal Article %A A. S. Markus %A V. I. Matsaev %T Spectral theory of holomorphic operator-functions in Hilbert space %J Funkcionalʹnyj analiz i ego priloženiâ %D 1975 %P 76-77 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a22/ %G ru %F FAA_1975_9_1_a22