Maw-Shang Chang, Chin-Hua Lin, Chuan-Min Lee. New upper bounds on feedback vertex numbers in butterflies. Inf. Process. Lett., 90(6):279-285, 2004. [doi]
@article{ChangLL04:2,
title = {New upper bounds on feedback vertex numbers in butterflies},
author = {Maw-Shang Chang and Chin-Hua Lin and Chuan-Min Lee},
year = {2004},
doi = {10.1016/j.ipl.2004.03.005},
url = {http://dx.doi.org/10.1016/j.ipl.2004.03.005},
researchr = {https://researchr.org/publication/ChangLL04%3A2},
cites = {0},
citedby = {0},
journal = {Inf. Process. Lett.},
volume = {90},
number = {6},
pages = {279-285},
}