Abdulghafor, Rawad, SHERZOD TURAEV, and Mohd Izzuddin. “Nonlinear Consensus for Multi-Agent Systems Using Positive Intractions of Doubly Stochastic Quadratic Operators”. International Journal on Perceptive and Cognitive Computing 2, no. 1 (June 17, 2016). Accessed September 23, 2021. https://journals.iium.edu.my/kict/index.php/IJPCC/article/view/30.