@inproceedings{Oshima:2017wI, author = "Oshima, Hitoshi", title = "{Ashra Optical Transient Observation}", doi = "10.22323/1.301.0678", booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)", year = 2017, volume = "301", pages = "678" }