@article{05171580,
title = {Arranging numbers on circles to reach maximum total variations.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {14},
year = {2007},
zbl = {1122.05002},
language = {en},
url = {http://dml.mathdoc.fr/item/05171580}
}
Liao, Ying-Jie; Shieh, Min-Zheng; Tsai, Shi-Chun. Arranging numbers on circles to reach maximum total variations.. The Electronic Journal of Combinatorics [electronic only], Tome 14 (2007) . http://gdmltest.u-ga.fr/item/05171580/