Consequences of cheapening the cost of production von N. Levchuk

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On conditionless bases of the kernels generated by differential equations of the second order von V. N. Levchuk

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On One Class of Non-Dissipative Operators von V. N. Levchuk

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On the unconditional bases of cores generated by differential equations of the second order von V. N. Levchuk

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Technology and new generation of equipment for flash-butt welding of highstrength rails of advanced production in construction and reconstruction of high-speed rail road lines von S. I. Kuchuk-Jatsenko, V. G. Krivenko, A. V. Didkovskij, Ju. V. Shvets, A. K. Kharchenko, A. N. Levchuk

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