TY - JOUR AU - Chang, B. AU - Lee, B. TI - A multigrid algorithm for solving the multi-group, anisotropic scattering Boltzmann equation using first-order system least-squares methodology JO - Electronic transactions on numerical analysis PY - 2003 SP - 132 EP - 151 VL - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2003__15__a4/ LA - en ID - ETNA_2003__15__a4 ER -