Montero, Pedro J. Stellar Astrophysics, MPI for Astrophysics, Max Planck Society;
Montero, P. J., Font, J. A., & Shibata, M. (2010). Influence of self-gravity on the runaway instability of black-hole-torus systems. Physical Review Letters, 104(19): 191101, pp. 1-4. doi:10.1103/PhysRevLett.104.191101.