Lior Kamma, Zeev Nutov. Approximating Survivable Networks with Minimum Number of Steiner Points. In Klaus Jansen, Roberto Solis-Oba, editors, Approximation and Online Algorithms - 8th International Workshop, WAOA 2010, Liverpool, UK, September 9-10, 2010. Revised Papers. Volume 6534 of Lecture Notes in Computer Science, pages 154-165, Springer, 2010. [doi]
Abstract is missing.