Horizon structure of rotating Einstein–Born–Infeld black holes and shadow Farruh Atamurotov, Sushant G. Ghosh and Bobomurat Ahmedov Eur. Phys. J. C, 76 5 (2016) 273 Published online: 17 May 2016 DOI: 10.1140/epjc/s10052-016-4122-9