ROMANYUK, A. S.; SAMOILENKO, A. M.; SERDYUK, A. S.; SOKOLENKO, I. V. International conference "Theory of approximation of functions and its applications" dedicated to the 70 th birthday of the corresponding member of NASU Professor O. I. Stepanets (1942 - 2007). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 10, p. 1438–1440, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2671. Acesso em: 5 dec. 2025.