TY - JOUR AU - E. V. Lipacheva TI - On Graded Semigroup $C^*$-Algebras and Hilbert Modules JO - Informatics and Automation PY - 2021 SP - 131 EP - 142 VL - 313 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2021_313_a11/ LA - ru ID - TRSPY_2021_313_a11 ER -