Ying Zhu Baochun Li Ken Q. Pu Dynamic Multicast in Overlay Networks with Linear Capacity Constraints. 925-939 2009 20 IEEE Trans. Parallel Distrib. Syst. 7 http://dx.doi.org/10.1109/TPDS.2008.155 db/journals/tpds/tpds20.html#ZhuLP09