TY  - RPRT
TI  - New vector operators for the nonrelativistic Coulomb problem.
AU  - de Lange OL
AU  - RE Raab
PY  - 1986
DO  - 10.1103/physreva.34.1650
UR  - https://pubmed.ncbi.nlm.nih.gov/9897443/
ID  - 9897443
ER  -