MakarovV. L., TymokhaO. M., KochubeiA. N., NikitinA. G., GerasymenkoV. I., DudkinM. Y., Ostrovs’kyiV. L., PlaksaS. A., RebenkoO. L. and RomanyukA. S. (2023) “Volodymyr Dmytrovych Koshmanenko (on his 80 th birthday)”, Ukrains’kyi Matematychnyi Zhurnal, 75(9), pp. 1294 - 1296. doi: 10.3842/umzh.v75i9.7771.