Lehners, Jean-Luc String Cosmology, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1701.05399.pdf (Preprint), 3MB
Bramberger, S. F., Hertog, T., Lehners, J.-L., & Vreys, Y. (2017). Quantum Transitions Through Cosmological Singularities. Journal of Cosmology and Astroparticle Physics, 2017(07): 007. doi:10.1088/1475-7516/2017/07/007.