eng National Academy of Sciences of Ukraine, Institute of Encyclopedic Research The Encyclopedia Herald of Ukraine 2706-9990 2707-000X 2015-12-17 6-7 119 120 10.37068/evu.6-7.20 article Mykola Zhelezniak https://orcid.org/0000-0002-8290-6345 Roman Senkus Liubomyr Pyrih Oleksandr Ishchenko https://orcid.org/0000-0002-8910-111X Tetiana Dobko https://orcid.org/0000-0002-5993-7856 Stanislav Kulchytsky https://orcid.org/0000-0001-7561-5374 Constantin Manolache https://orcid.org/0000-0001-6871-3005 Iryna Matiash https://orcid.org/0000-0002-7565-1866 Sergii Bortnyk https://orcid.org/0000-0003-0886-5861 Ivan Dziuba https://evu.encyclopedia.kyiv.ua/article/50