SN 2017egm: A Helium-rich Superluminous Supernova with Multiple Bumps in the Light Curves oleh Jiazheng Zhu, Ning Jiang, Subo Dong, Alexei V. Filippenko, Richard J. Rudy, A. Pastorello, Christopher Ashall, Subhash Bose, R. S. Post, D. Bersier, Stefano Benetti, Thomas G. Brink, Ping Chen, Liming Dou, N. Elias-Rosa, Peter Lundqvist, Seppo Mattila, Ray W. Russell, Michael L. Sitko, Auni Somero, M. D. Stritzinger, Tinggui Wang, Peter J. Brown, E. Cappellaro, Morgan Fraser, Erkki Kankare, S. Moran, Simon Prentice, Tapio Pursimo, T. M. Reynolds, WeiKang Zheng