%0 Journal Article %A A. B. Antonevich %A A. V. Lebedev %T On spectral properties of operators with a~shift %J Izvestiya. Mathematics %D 1984 %P 201-224 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1984_23_2_a0/ %G en %F IM2_1984_23_2_a0