Bitonti, Veronica, Bishal Deb, and Alan D. Sokal. “Thron-Type Continued Fractions (T-Fractions) for Some Classes of Increasing Trees”. The Electronic Journal of Combinatorics 33, no. 1 (January 9, 2026): P1.5. Accessed March 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v33i1p5.