Stability under scalar perturbations and quasinormal modes of 4D Einstein–Born–Infeld dilaton spacetime: exact spectrumKyriakos Destounis, Grigoris Panotopoulos and Ángel RincónEur. Phys. J. C, 78 2 (2018) 139DOI: https://doi.org/10.1140/epjc/s10052-018-5576-8