TY  - RPRT
TI  - LOWER BOUNDS FOR EIGENVALUES WITH APPLICATION TO THE HELIUM ATOM.
AU  - N W Bazley
PY  - 1959
DO  - 10.1073/pnas.45.6.850
UR  - https://pubmed.ncbi.nlm.nih.gov/16590455/
ID  - 16590455
ER  -