Cai XS, Janson S. Non-Fringe Subtrees in Conditioned Galton—Watson Trees. Electron. J. Combin. [Internet]. 2018Sep.7 [cited 2026Apr.8];25(3):#P3.40. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v25i3p40