1. Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables;Abramowitz,1972
2. Barbarino, A., 2010. The Spectral Element approach for the solution of neutron transport problems. Master thesis, Politecnico di Torino, Torino, Italy.
3. Barbarino, A., Dulla, S., Ravetto, P., Mund, E.H., 2011. The spectral element approach for the solution of neutron transport problems. In: International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2011, Rio de Janeiro, Brazil, p. 15.
4. Simplified PN and AN methods in neutron transport;Ciolini;Progress in Nuclear Energy,2002
5. On the relation between spherical harmonics and simplified spherical harmonics methods;Coppa;Transport Theory and Statistical Physics,2011