DYUKAREV, Yu. M. Degenerate Nevanlinna-Pick problem. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 57, n. 10, p. 1334–1343, 2005. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3689. Acesso em: 6 dec. 2025.