Wu, B. Y.B. Y.WuLancia, G.G.LanciaBafna, V.V.BafnaChao, K.-M.K.-M.ChaoRavi, R.R.RaviTang, C. Y.C. Y.Tang2010-09-022018-07-052010-09-022018-07-052000-03http://ntur.lib.ntu.edu.tw//handle/246246/193614en-USA Polynomial-Time Approximation Scheme for Minimum Routing Cost Spanning Treesjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/193614/1/93.pdf