BabenkoV. F.; VakarchukS. B.; MotornyiV. P.; PeleshenkoB. I.; RomanyukA. S.; SamoilenkoA. M.; SerdyukA. S.; TrigubR. M. Major Pylypovych Timan (on His 90th Birthday). Ukr. Mat. Zhurn. 2013, 65, 1141-1144.