Geodesic
Semisimple graded rings
Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 13 (2013) no. 4, pp. 23-28

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The graded version of Wedderburn–Artin theorem is obtained. It gives description of semisimple $G$-graded ring for arbitrary group $G$. Homological classification of graded semisimple rings is given. 
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I. N. Balaba; E. N. Krasnova. Semisimple graded rings. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, Tome 13 (2013) no. 4, pp. 23-28. http://geodesic.mathdoc.fr/item/ISU_2013_13_4_a1/