%0 Journal Article %A V. S. Rabinovich %T Essential spectrum of one-dimensional Dirac operators with delta-interactions %J Funkcionalʹnyj analiz i ego priloženiâ %D 2020 %P 90-94 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2020_54_2_a7/ %G ru %F FAA_2020_54_2_a7