Katsala, R. A., and M. M. Pahirya. “Equivalence of Two Methods for Construction of Regular Continued <em class="EmphasisTypeItalic ">C</Em&gt;-Fractions”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 61, no. 7, July 2009, pp. 1005-9, https://umj.imath.kiev.ua/index.php/umj/article/view/3076.