%0 Journal Article %A E. V. Lipacheva %T On Graded Semigroup $C^*$-Algebras and Hilbert Modules %J Informatics and Automation %D 2021 %P 131-142 %V 313 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2021_313_a11/ %G ru %F TRSPY_2021_313_a11