Yong Zhang, Hong Zhu. An Approximation Algorithm for Weighted Weak Vertex Cover Problem in Undirected Graphs. In Kyung-Yong Chwa, J. Ian Munro, editors, Computing and Combinatorics, 10th Annual International Conference, COCOON 2004, Jeju Island, Korea, August 17-20, 2004, Proceedings. Volume 3106 of Lecture Notes in Computer Science, pages 143-150, Springer, 2004. [doi]
Abstract is missing.