TY  - RPRT
TI  - An angular multigrid method for computing mono-energetic particle beams in Flatland
AU  - Boergers, Christoph
AU  - MacLachlan, Scott
PY  - 2010
DO  - 10.1016/j.jcp.2009.12.023
UR  - https://www.osti.gov/biblio/21333944
ID  - 21333944
ER  -