Chandra Chekuri, Mohammad Taghi Hajiaghayi, Guy Kortsarz, Mohammad R. Salavatipour. Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design. In 47th Annual IEEE Symposium on Foundations of Computer Science (FOCS 2006), 21-24 October 2006, Berkeley, California, USA, Proceedings. pages 677-686, IEEE Computer Society, 2006. [doi]
Abstract is missing.