Quasinormal modes of a regular black hole with sub-Planckian curvatureDan Zhang, Huajie Gong, Guoyang Fu, Jian-Pin Wu and Qiyuan PanEur. Phys. J. C, 84 6 (2024) 564DOI: https://doi.org/10.1140/epjc/s10052-024-12928-x