LukovskyI., MakarovV. L., BoichukO. A., NikitinA. H., VasylykV. B., MazkoO. H., PlaksaS. A., & RomanyukA. S. (2022). Oleksandr Mykolayovych Tymokha (to his 60th birthday). Ukrains’kyi Matematychnyi Zhurnal, 74(8), 1146 - 1148. https://doi.org/10.37863/umzh.v74i8.7249