Lukovsky , I. A., V. L. Makarov, M. O. Perestyuk, A. M. Timokha, O. A. Boichuk, V. Ya. Gutlyanskii, A. N. Kochubey, et al. 2022. “Ihor Oleksandrovych Shevchuk (on His 75th Birthday)”. Ukrains’kyi Matematychnyi Zhurnal 74 (4): 439-42. https://doi.org/10.37863/umzh.v74i4.7139.