Ronald L. Graham, Minming Li, Frances F. Yao. Optimal Tree Structures for Group Key Management with Batch Updates. SIAM J. Discrete Math., 21(2):532-547, 2007. [doi]
@article{GrahamLY07,
title = {Optimal Tree Structures for Group Key Management with Batch Updates},
author = {Ronald L. Graham and Minming Li and Frances F. Yao},
year = {2007},
doi = {10.1137/06064929X},
url = {http://dx.doi.org/10.1137/06064929X},
researchr = {https://researchr.org/publication/GrahamLY07},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {21},
number = {2},
pages = {532-547},
}