1. J. Spanier, E.M. Gelbard, Monte Carlo Principles and Neutron Transport Problems (Dover Books, Mineola, New York, 2008)
2. E.E. Lewis, W.F. Miller, Computational Methods of Neutron Transport (American Nuclear Society, La Grange Park, Illinois, 1993)
3. J.E. Morel, B.T. Adams, T. Noh et al., Spatial discretizations for self-adjoint forms of the radiative transfer equations. J. Comput. Phys. 214, 12–40 (2006). https://doi.org/10.1016/j.jcp.2005.09.017
4. E.M. Gelbard, Applications of spherical harmonics method to reactor problems. Tech. Rep. WAPD-BT-20, Bettis Atomic Power Laboratory (1960)
5. E.M. Gelbard, Simplified spherical harmonics equations and their use in shielding problems. Tech. Rep. WAPD-T-1182, Bettis Atomic Power Laboratory (1961)