Gunnar Forst, Anders Thorup. What Costs Are Minimized by Huffman Trees?. SIAM J. Discrete Math., 19(1):46-68, 2005. [doi]
@article{ForstT05,
title = {What Costs Are Minimized by Huffman Trees?},
author = {Gunnar Forst and Anders Thorup},
year = {2005},
doi = {10.1137/S0895480103421725},
url = {http://dx.doi.org/10.1137/S0895480103421725},
researchr = {https://researchr.org/publication/ForstT05},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {19},
number = {1},
pages = {46-68},
}