OYMA, Knut. Approximation by Interpolating Blaschke Products. MATHEMATICA SCANDINAVICA, [S. l.], v. 79, p. 255–262, 1996. DOI: 10.7146/math.scand.a-12605. Disponível em: https://tidsskrift.dk/math/article/view/12605. Acesso em: 14 aug. 2026.