Jeffrey Gaither, Yushi Homma, Mark Sellke, Mark Daniel Ward. On the Number of 2-Protected Nodes in Tries and Suffix Trees.
23rd International Meeting on Probabilistic, Combinatorial, and Asymptotic Methods in the Analysis of Algorithms (AofA'12), 2012, Montreal, Canada. pp.381-398,
⟨10.46298/dmtcs.3008⟩.
⟨hal-01197232⟩