Shan-Chyun Ku, Chi-Jen Lu, Biing-Feng Wang, Tzu-Chin Lin. Efficient Algorithms for Two Generalized 2-Median Problems on Trees. In Peter Eades, Tadao Takaoka, editors, Algorithms and Computation, 12th International Symposium, ISAAC 2001, Christchurch, New Zealand, December 19-21, 2001, Proceedings. Volume 2223 of Lecture Notes in Computer Science, pages 768-778, Springer, 2001. [doi]
Abstract is missing.