ROMANYUK, A. S.; SERDYUK, A. S.; STEPANETS, O. I. International conference on the theory of approximation of functions and its applications dedicated to the memory of V. K. Dzyadyk. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 9, p. 1296–1297, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4727. Acesso em: 5 dec. 2025.