Havrylenko O, Sadovnikov O. UKRAINIAN PHILOSOPHER AND EDUKATOR IVAN YAKOVYCH CHALENKO (1873-1937): A FIGURE ON THE BACKGROUND OF THE AGE. JKhNUPhP [Internet]. 2021Jun.30 [cited 2026Feb.2];(64):37-0. Available from: https://periodicals.karazin.ua/philosophy/article/view/18092