Eric Allender, Samir Datta, Sambuddha Roy. The Directed Planar Reachability Problem. Electronic Colloquium on Computational Complexity (ECCC), (148), 2005. [doi]
@article{ECCC-TR05-148,
title = {The Directed Planar Reachability Problem},
author = {Eric Allender and Samir Datta and Sambuddha Roy},
year = {2005},
url = {http://eccc.hpi-web.de/eccc-reports/2005/TR05-148/index.html},
researchr = {https://researchr.org/publication/ECCC-TR05-148},
cites = {0},
citedby = {0},
journal = {Electronic Colloquium on Computational Complexity (ECCC)},
number = {148},
}