[1]
Jones, W.B., Thron, W.J. and Waadeland, H. 1985. Value regions for continued fractions $K(a_n/1)$ whose elements lie in parabolic regions. MATHEMATICA SCANDINAVICA. 56, (Dec. 1985), 5–14. DOI:https://doi.org/10.7146/math.scand.a-12084.