Mykhaĭlo Vasylʹovych Ostrohradsʹkyĭ v ot︠s︡inkakh suchasnykiv ta nashchadkiv

B. P. Zaĭt︠s︡ev, Kharkivsʹkyĭ nat︠s︡ionalʹnyĭ universytet im. V.N. Karazina, S. I. Posokhov, V. D. Prokopova