Weigen Yan, Yeong-Nan Yeh. Enumeration of subtrees of trees. Theoretical Computer Science, 369(1-3):256-268, 2006. [doi]
@article{YanY06:0,
title = {Enumeration of subtrees of trees},
author = {Weigen Yan and Yeong-Nan Yeh},
year = {2006},
doi = {10.1016/j.tcs.2006.09.002},
url = {http://dx.doi.org/10.1016/j.tcs.2006.09.002},
researchr = {https://researchr.org/publication/YanY06%3A0},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {369},
number = {1-3},
pages = {256-268},
}