P
. Y. Chang
. Y. Chang, P. ., Chu, S. K., & Ma, C. T. (2017). Bell s inequality and entanglement in qubits. Journal of High Energy Physics. http://doi.org/10.1007/jhep09(2017)100
. Y. Chang, P. ., Chu, S. K., & Ma, C. T. (2019). Bell s inequality, generalized concurrence and entanglement in qubits. International Journal of Modern Physics A, 34. http://doi.org/10.1142/s0217751x19500325