Early universe with dust and Chaplygin gas N. M. N da Rocha, G. A. Monerat, F. G. Alvarenga, S. V. B. Gonçalves, G. Oliveira-Neto, E. V. Corrêa Silva and C. G. M. Santos Eur. Phys. J. Plus, 137 10 (2022) 1103 Published online: 02 October 2022 DOI: 10.1140/epjp/s13360-022-03324-z