Lukovsky, I., Makarov, V. L., Boichuk, O. A., Nikitin, A. H., Vasylyk, V. B., Mazko, O. H., Plaksa, S. A. and Romanyuk, A. S. (2022) “Oleksandr Mykolayovych Tymokha (to his 60th birthday)”, Ukrains’kyi Matematychnyi Zhurnal, 74(8), pp. 1146 - 1148. doi: 10.37863/umzh.v74i8.7249.