Mykhailo Iosypovych Yadrenko (On His 70th Birthday) - Buldygin, V. V.; Kozachenko, Yu. V.; Korolyuk, V. S.; Mitropolskiy, Yu. A.; Perestyuk, N. A.; Portenko, N. I.; Samoilenko, A. M.; Skorokhod, A. V. (Ukrains’kyi Matematychnyi Zhurnal, 2002)