Springer
doi.org/10.1007/11970125_7
Lecture Notes in Computer Science
Workshop on Approximation and Online Algorithms
Networks and Optimization

Bonifaci, V., & Stougie, L. (2007). Online k-server routing problems. In Proceedings of the 4th Workshop on Approximation and Online Algorithms (WAOA), Zurich, Switzerland, 2006 (pp. 83–94). Springer. doi:10.1007/11970125_7