@inproceedings{Sakai:2022yB, author = "Sakai, Keita and Sasaki, Shoichi", title = "{An improvement of glueball mass calculations using gradient flow}", doi = "10.22323/1.396.0333", booktitle = "Proceedings of The 38th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2021)", year = 2022, volume = "396", pages = "333" }