Duc, Truong Minh, and Nguyen Thi Xuan Hoai. “Entanglement Criterion for Bipartite Quantum States: Applications”. Communications in Physics 20, no. 3 (August 15, 2012): 233. Accessed May 6, 2024. https://vjs.ac.vn/index.php/cip/article/view/2275.