MohammadHossein Bateni, Chandra Chekuri, Alina Ene, Mohammad Taghi Hajiaghayi, Nitish Korula, Dániel Marx. Prize-collecting Steiner Problems on Planar Graphs. In Dana Randall, editor, Proceedings of the Twenty-Second Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2011, San Francisco, California, USA, January 23-25, 2011. pages 1028-1049, SIAM, 2011. [doi]
Abstract is missing.