BRATIICHUK, N. S.; GUSAK, D. V.; KOVALENKO, I. N.; LUKOVSKY, I. O.; MAKAROV, V. L.; SAMOILENKO, I. V.; SAMOILENKO, A. M. Volodymyr Semenovych Korolyuk (on his 90th birthday). Ukrains’kyi Matematychnyi Zhurnal, v. 67, n. 8, p. 1151-1152, 25 Aug. 2015.