@ARTICLE{6136808, author={Sharma, Sushant and Shi, Yi and Hou, Y. Thomas and Sherali, Hanif D. and Kompella, Sastry and Midkiff, Scott F.}, journal={IEEE Journal on Selected Areas in Communications}, title={Joint Flow Routing and Relay Node Assignment in Cooperative Multi-Hop Networks}, year={2012}, volume={30}, number={2}, pages={254-262}, doi={10.1109/JSAC.2012.120203}}