Acceleration in Friedmann cosmology with torsion S. H. Pereira, R. de C. Lima, J. F. Jesus and R. F. L. Holanda Eur. Phys. J. C, 79 11 (2019) 950 Published online: 20 November 2019 DOI: 10.1140/epjc/s10052-019-7462-4