Standard forms of matrices over rings with respect to different types of equivalences and their applications in theory of the matrix factorization and matrix equations за авторством V. M. Petrychkovych

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Equivalence of matrices in the ring M(n,R) and its subrings за авторством N. S. Dzhaliuk, V. M. Petrychkovych

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The absolute factorization of matrices in the rings of block-triangular matrices за авторством N. S. Dzhaliuk, V. M. Petrychkovych

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The solutions of matrix polynomial diophantine equation за авторством N. S. Dzhaliuk, V. M. Petrychkovych

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The standard form of matrices over quadratic rings with respect to (z,k) -equivalence and structure of solutions of matrix bilateral linear equations за авторством N. B. Ladzoryshyn, V. M. Petrychkovych

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The standard form of matrices over the ring of Gaussian integers with respect to (z, k)-equivalence за авторством V. M. Petrychkovych, H. V. Zelisko, N. B. Ladzoryshyn

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