Giang, Nguyen, 		Quoc Bao, Vo Nguyen, AND 		Nguyen-Le, Hung.
" Cognitive Multi-Relay Transmission over Asymmetric Fading Channels with Imperfect CSI" <em>Journal of Science and Technology: Issue on Information and Communications Technology</em> [Online], Volume 3 Number 1 (31 March 2017)