TY  - RPRT
TI  - Direct iteration-variation method for scattering problems.
AU  - BI Schneider
AU  - LA Collins
PY  - 1986
DO  - 10.1103/physreva.33.2970
UR  - https://pubmed.ncbi.nlm.nih.gov/9897003/
ID  - 9897003
ER  -