@article{10_37236_965,
     author = {Ying-Jie Liao and Min-Zheng Shieh and Shi-Chun Tsai},
     title = {Arranging numbers on circles to reach maximum total variations},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/965},
     zbl = {1122.05002},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/965/}
}