IvanovА. F.; KolyadaS. F.; MaistrenkoY. L.; ParasyukI. O.; PelyukhG. P.; RomanenkoO. Y.; SivakA. G.; SamoilenkoV. G.; TkachenkoV. I.; TrofimchukS. I.; FedorenkoV. V.; KhusainovD. Y.; ShevchukI. A. Oleksandr Mykolaiovych Sharkovs’kyi (on his 80th birthday). Ukrains’kyi Matematychnyi Zhurnal, v. 69, n. 2, p. 257-260, 25 Feb. 2017.