Relativistic dust accretion onto a scale-dependent polytropic black hole Ernesto Contreras, Ángel Rincón and J. M. Ramírez-Velásquez Eur. Phys. J. C, 79 1 (2019) 53 Published online: 22 January 2019 DOI: 10.1140/epjc/s10052-019-6601-2