Prospect for constraining holographic dark energy with gravitational wave standard sirens from the Einstein TelescopeJing-Fei Zhang, Hong-Yan Dong, Jing-Zhao Qi and Xin ZhangEur. Phys. J. C, 80 3 (2020) 217DOI: https://doi.org/10.1140/epjc/s10052-020-7767-3