Solutions of matrix equation AX + YB = C with triangular coefficients von N. S. Dzhaliuk

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Existence of the solution of the Sylvester-type matrix equation in the ring of block triangular matrices von N. S. Dzhaliuk

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Some relationships between the invariant factors of matrix and its submatrix over elementary divisor domains von A. M. Romaniv, N. S. Dzhaliuk

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

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

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

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