V. O. Marchenko, Y. A. Mitropolskiy, A. V. Pogorelov, A. M. Samoilenko, I. V. Skrypnik, and E. Y. Khruslov, “Naum Il’ich Akhiezer (on his 100-th birthday)”, Ukr. Mat. Zhurn., vol. 53, no. 3, pp. 291–293, Mar. 2001, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4250