%0 Journal Article %A P. A. Mishnaevskii %T On the spectral theory for the Sturm--Liouville equation with operator coefficient %J Izvestiya. Mathematics %D 1976 %P 145-180 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1976_10_1_a8/ %G en %F IM2_1976_10_1_a8