The extended minimal geometric deformation of SU(N) dark glueball condensates A. Fernandes-Silva, A. J. Ferreira-Martins and R. da Rocha Eur. Phys. J. C, 78 8 (2018) 631 Published online: 07 August 2018 DOI: 10.1140/epjc/s10052-018-6123-3