1. The lonely runner with seven runners;Barajas;Electron. J. Comb.,2008
2. Computational Geometry: Algorithms and Applications;de Berg,2010
3. Six lonely runners;Bohman;Electron. J. Comb.,2001
4. Theoretical analysis of the multi-agent patrolling problem;Chevaleyre,2004
5. View-obstruction problems;Cusick;Aequ. Math.,1973