TY  - RPRT
TI  - Finite basis sets for the Dirac equation constructed from B splines.
AU  - WR Johnson
AU  - SA Blundell
AU  - J Sapirstein
PY  - 1988
DO  - 10.1103/physreva.37.307
UR  - https://pubmed.ncbi.nlm.nih.gov/9899658/
ID  - 9899658
ER  -