Manfred Droste, Christian Pech, Heiko Vogler. A Kleene Theorem for Weighted Tree Automata. Theory Comput. Syst., 38(1):1-38, 2005. [doi]
@article{DrostePV05,
title = {A Kleene Theorem for Weighted Tree Automata},
author = {Manfred Droste and Christian Pech and Heiko Vogler},
year = {2005},
doi = {10.1007/s00224-004-1096-z},
url = {http://dx.doi.org/10.1007/s00224-004-1096-z},
researchr = {https://researchr.org/publication/DrostePV05},
cites = {0},
citedby = {0},
journal = {Theory Comput. Syst.},
volume = {38},
number = {1},
pages = {1-38},
}