Amr Elmasry, Kurt Mehlhorn, Jens M. Schmidt. Every DFS Tree of a 3-Connected Graph Contains a Contractible Edge. Journal of Graph Theory, 72(1):112-121, 2013. [doi]
@article{ElmasryMS13,
title = {Every DFS Tree of a 3-Connected Graph Contains a Contractible Edge},
author = {Amr Elmasry and Kurt Mehlhorn and Jens M. Schmidt},
year = {2013},
doi = {10.1002/jgt.21635},
url = {http://dx.doi.org/10.1002/jgt.21635},
researchr = {https://researchr.org/publication/ElmasryMS13},
cites = {0},
citedby = {0},
journal = {Journal of Graph Theory},
volume = {72},
number = {1},
pages = {112-121},
}