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https://www.worldscientific.com/doi/abs/10.1142/S0217984915502395 (Publisher version)
Daoud, M., Kaydi, W., & El Hadfi, H. (2015). Distribution of geometric quantum discord in photon-added coherent states. Modern Physics Letters B, 29(35-36): 1550239. doi:10.1142/S0217984915502395.