Zumalacárregui , Miguel AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1909.01828.pdf (Preprint), 4MB
Bellini, E., Sawicki, I., & Zumalacárregui, M. (2020). hi class background evolution, initial conditions and approximation schemes. Journal of Cosmology and Astroparticle Physics, 2020(2): 008. doi:10.1088/1475-7516/2020/02/008.