batch_1778678541 20260513162221000 National Academy of Sciences of Ukraine, Institute of Encyclopedic Research esu@esu.com.ua National Academy of Sciences of Ukraine, Institute of Encyclopedic Research Entsyklopedychnyi visnyk Ukrainy [The Encyclopedia Herald of Ukraine] Entsykl. visn. Ukr. 2706-9990 2707-000X 2017 8-9 Anatolii Shushkivskyi Institute of Encyclopedic Research, National Academy of Sciences of Ukraine (Kyiv, Ukraine) https://orcid.org/0009-0006-0353-7446 The personological study is dedicated to Kostiantyn Breslavets who is the author of the articles of the Encyclopedia of Modern Ukraine and coordinator of this work, Candidate of Physical and Mathematical Sciences. 2017 75 79 10.37068/evu.8-9.6 https://evu.encyclopedia.kyiv.ua/article/57 https://evu.encyclopedia.kyiv.ua/doi/10.37068/evu.8-9.6.pdf