TY  - RPRT
TI  - Quantum diffusion computations of two-electron ground-state energies.
AU  - CE Beckmann
AU  - JM Feagin
PY  - 1987
DO  - 10.1103/physreva.36.4531
UR  - https://pubmed.ncbi.nlm.nih.gov/9899421/
ID  - 9899421
ER  -