@article{Yoshida:2017d9, author = "Yoshida, Shigeru and Ishihara, Aya", title = "{Differential limit on an EHE neutrino flux component in the presence of astrophysical background from nine years of IceCube data}", doi = "10.22323/1.301.0975", journal = "PoS", year = 2017, volume = "ICRC2017", pages = "975" }