Einstein Probe discovery of EP240408a: A peculiar X-ray transient with an intermediate timescale. - Zhang, Wenda; Yuan, Weimin; Ling, Zhixing; Chen, Yong; Rea, Nanda; Rau, Arne; Cai, Zhiming; Cheng, Huaqing; Zelati, Francesco Coti; Dai, Lixin; Hu, Jingwei; Jia, Shumei; et al. (SCIENCE CHINA Physics, Mechanics & Astronomy, 2025)