JONES, W. B.; THRON, W. J.; WAADELAND, H. Value regions for continued fractions $K(a_n/1)$ whose elements lie in parabolic regions. Mathematica Scandinavica, Berkeley, CA, United States, v. 56, p. 5–14, 1985. DOI: 10.7146/math.scand.a-12084. Disponível em: https://journals.msp.org/mscand/article/view/1539. Acesso em: 25 jul. 2026.