Bogolyubov AN. Jubilees Iosyp Zakharovych Shtokalo (on the 100th anniversary of his birth). Ukr. Mat. Zhurn. [Internet]. 1998 Aug. 25 [cited 2025 Dec. 5];50(8):1152–1153. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4866