Compliance issues of defensibility of Chernihiv fortress. New Document middle of XVIII century von I. M. Ihnatenko

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Shafts as a constructive element of Chernihiv fortress in the XI - XVIII centuries von I. M. Ihnatenko

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Upper Sastle in Chernihiv von I. M. Ihnatenko

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Systems of Linear Equations Corrupted by Noise Over Finite Rings von A. M. Oleksiichuk, S. M. Ihnatenko, M. V. Poremskyi

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Technologies for repairing of cathode unit of electron beam gun with the use of electron beam welding von V. I. Zahornikov, V. M. Nesterenkov, Yu. V. Orsa, A. M. Ihnatenko

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