Lynette van Zijl, Jaco Geldenhuys. Descriptional Complexity of Ambiguity in Symmetric Difference NFAs. J. UCS, 17(6):874-890, 2011. [doi]
@article{ZijlG11,
title = {Descriptional Complexity of Ambiguity in Symmetric Difference NFAs},
author = {Lynette van Zijl and Jaco Geldenhuys},
year = {2011},
url = {http://www.jucs.org/jucs_17_6/descriptional_complexity_of_ambiguity},
researchr = {https://researchr.org/publication/ZijlG11},
cites = {0},
citedby = {0},
journal = {J. UCS},
volume = {17},
number = {6},
pages = {874-890},
}