Nikoryak, Natalia. “Olha Petrivna Gulia (1907–1994): A Scientist in Conditions of the Ideological Dictatorship”. Pitannâ lìteraturoznavstva, no. 91 (November 28, 2015): 164–174. Accessed May 3, 2024. http://pytlit.chnu.edu.ua/article/view/73425.