HEINS, M. On the Theorem of Szegö-Solomentsev. MATHEMATICA SCANDINAVICA, [S. l.], v. 20, p. 281–289, 1967. DOI: 10.7146/math.scand.a-10838. Disponível em: https://www.mscand.dk/article/view/10838. Acesso em: 24 nov. 2024.