Santanu S. Dey, Jean-Philippe P. Richard. Sequential-Merge Facets for Two-Dimensional Group Problems. In Matteo Fischetti, David P. Williamson, editors, Integer Programming and Combinatorial Optimization, 12th International IPCO Conference, Ithaca, NY, USA, June 25-27, 2007, Proceedings. Volume 4513 of Lecture Notes in Computer Science, pages 30-42, Springer, 2007. [doi]
Abstract is missing.