Observational appearance of Kaluza–Klein black holesTemurbek Mirzaev, Askar B. Abdikamalov, Ahmadjon A. Abdujabbarov, Dimitry Ayzenberg, Bobomurat Ahmedov and Cosimo BambiEur. Phys. J. C, 83 9 (2023) 800DOI: https://doi.org/10.1140/epjc/s10052-023-11985-y