B. S. Panda, Anita Das. Tree 3-spanners in 2-sep directed path graphs: Characterization, recognition, and construction. Discrete Applied Mathematics, 157(9):2153-2169, 2009. [doi]
@article{PandaD09-0,
title = {Tree 3-spanners in 2-sep directed path graphs: Characterization, recognition, and construction},
author = {B. S. Panda and Anita Das},
year = {2009},
doi = {10.1016/j.dam.2008.06.026},
url = {http://dx.doi.org/10.1016/j.dam.2008.06.026},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/PandaD09-0},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {157},
number = {9},
pages = {2153-2169},
}