Guy Even, Joseph Naor, Baruch Schieber, Leonid Zosin. Approximating Minimum Subset Feedback Sets in Undirected Graphs with Applications. SIAM J. Discrete Math., 13(2):255-267, 2000. [doi]
@article{EvenNSZ00,
title = {Approximating Minimum Subset Feedback Sets in Undirected Graphs with Applications},
author = {Guy Even and Joseph Naor and Baruch Schieber and Leonid Zosin},
year = {2000},
url = {http://epubs.siam.org/sam-bin/dbq/article/29187},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/EvenNSZ00},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {13},
number = {2},
pages = {255-267},
}