Dat, Tran Quang, and Truong Minh Duc. “Higher-Order Nonclassical and Entanglement Properties in Photon-Added Trio Coherent State”. Hue University Journal of Science: Natural Science 129, no. 1B (June 22, 2020): 49-55. Accessed July 12, 2024. https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5685.