@inproceedings{Imazawa:20218l, author = "Imazawa, Ryo and Fukazawa, Yasushi and Takahashi, Hiromitsu and Sasada, Mahito", title = "{Fast X-ray variability of radio galaxy M87}", doi = "10.22323/1.395.0845", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "845" }