Academician V. Ya. Bunyakovs'kyi (on 200-th anniversary of his birthday) - Mel'nik, V. S.; Mel'nyk, O. M.; Samoilenko, A. M.; Мельник, В. С.; Мельник, О. М.; Самойленко, А. М. (Institute of Mathematics, NAS of Ukraine, 2004)