Upper bound for the diameter of a tree in the quantum graph theory von O. P. Boiko, O. M. Martyniuk, V. M. Pyvovarchyk

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On the relationship between the multiplicities of eigenvalues in finite- and infinite-dimensional problems on graphs von O. P. Boiko, O. M. Martyniuk, V. M. Pyvovarchyk

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Differential sensitivity of microorganisms to polyhexamethyleneguanidine von A. V. Lysytsia, Yu. M. Mandyhra, O. P. Boiko, O. O. Romanishyna, M. S. Mandyhra

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