On nonlinearity in hydrodynamic response to the initial geometry in relativistic heavy-ion collisionsDan Wen, Kai Lin, Wei-Liang Qian, Bin Wang, Yogiro Hama and Takeshi KodamaEur. Phys. J. A, 56 9 (2020) 222DOI: https://doi.org/10.1140/epja/s10050-020-00235-4