TY  - RPRT
TI  - The potential in a two-electron atom.
AU  - RS Berry
AU  - JL Krause
PY  - 1986
DO  - 10.1103/physreva.33.2865
UR  - https://pubmed.ncbi.nlm.nih.gov/9896992/
ID  - 9896992
ER  -