Michael Huth, Jim Huan-Pu Kuo, Nir Piterman. The Rabin index of parity games: Its complexity and approximation. Inf. Comput., 245:36-53, 2015. [doi]
@article{HuthKP15,
title = {The Rabin index of parity games: Its complexity and approximation},
author = {Michael Huth and Jim Huan-Pu Kuo and Nir Piterman},
year = {2015},
doi = {10.1016/j.ic.2015.06.005},
url = {http://dx.doi.org/10.1016/j.ic.2015.06.005},
researchr = {https://researchr.org/publication/HuthKP15},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {245},
pages = {36-53},
}