%0 Journal Article %A V. M. Deundyak %T Homotopy properties of the set of noetherian elements of the $C^*$-algebra of multidimensional generalized Toeplitz operators %J Funkcionalʹnyj analiz i ego priloženiâ %D 1980 %P 79-80 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1980_14_3_a12/ %G ru %F FAA_1980_14_3_a12