@inproceedings{Shintani:20167R, author = "Shintani, Eigo", title = "{Error reduction using the covariant approximation averaging}", doi = "10.22323/1.234.0367", booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2015)", year = 2016, volume = "234", pages = "367" }