Katsala, R. A., and M. M. Pahirya. 2009. “Equivalence of Two Methods for Construction of Regular Continued <em class="EmphasisTypeItalic ">C</Em&gt;-Fractions”. Ukrains’kyi Matematychnyi Zhurnal 61 (7), 1005-9. https://umj.imath.kiev.ua/index.php/umj/article/view/3076.