%0 Journal Article %A A. V. Sokolov %T On coincidence of the spectrum of a family of difference operators with the kernel of this spectrum for one class of operators %J Doklady Akademii Nauk %D 1973 %P 284-286 %V 208 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_2_a5/ %G ru %F DAN_1973_208_2_a5