Chung-Shou Liao, Louxin Zhang. Approximating the Spanning k-Tree Forest Problem. In Xiaotie Deng, John E. Hopcroft, Jinyun Xue, editors, Frontiers in Algorithmics, Third International Workshop, FAW 2009, Hefei, China, June 20-23, 2009. Proceedings. Volume 5598 of Lecture Notes in Computer Science, pages 293-301, Springer, 2009. [doi]
Abstract is missing.