@ARTICLE{5738221, author={Gao, Cunhao and Shi, Yi and Hou, Y. Thomas and Sherali, Hanif D. and Zhou, Huaibei}, journal={IEEE Journal on Selected Areas in Communications}, title={Multicast Communications in Multi-Hop Cognitive Radio Networks}, year={2011}, volume={29}, number={4}, pages={784-793}, doi={10.1109/JSAC.2011.110410}}