The following publications are possibly variants of this publication:
- Subtrees, BC-subtrees of generalized Bethe trees and related questionsYu Yang, Hongbo Liu, Hua Wang. arscom, 121:47-63, 2015.
- α-subtrees of treesYu Yang, Hongbo Liu 0001, Hua Wang 0003, Xiao-Dong Zhang, C. L. Philip Chen. iandc, 289(Part):104942, 2022. [doi]
- Indexing Tree and Subtree by Using a Structure NetworkMingming Zhang, Shinichiro Omachi. gacm 2010: 244-253 [doi]