%0 Journal Article
%A S. R. Gordeev
%T On the index and the homotopic classification of Noetherian operators with a finite group of shifts
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1991
%P 66-68
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1991_25_1_a8/
%G ru
%F FAA_1991_25_1_a8