On the topological Billingsley dimension of self-similar Sierpiński carpet Anouar Ben Mabrouk and Bilel Selmi Eur. Phys. J. Spec. Top., 230 21-22 (2021) 3861-3871 Published online: 10 November 2021 DOI: 10.1140/epjs/s11734-021-00313-8