JCAP JCAP, 2017, 06 (06), pp.031. 〈10.1088/1475-7516/2017/06/031〉 JCAP, 2017, 06, pp.031. ⟨10.1088/1475-7516/2017/06/031⟩ Journal of Cosmology and Astroparticle Physics, vol 2017, iss 6 NASA Astrophysics Data System Journal of Cosmology and Astroparticle Physics, vol 2017, iss 06 Journal of Cosmology and Astroparticle Physics Artículos CONICYT CONICYT Chile instacron:CONICYT