Geodesic
On certain classes of rings of formal matrices
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (2015), pp. 3-14.

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We consider a problem on isomorphism of rings of generalized matrices of order three with meaning in a ring $R$. We study conditions of regularity and complete idempotence for rings of generalized matrices.
Keywords: rings of generalized matrices, regularity, complete idempotence. 
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A. N. Abyzov; D. T. Tapkin. On certain classes of rings of formal matrices. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (2015), pp. 3-14. http://geodesic.mathdoc.fr/item/IVM_2015_3_a0/

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