TY - RPRT TI - Hellmann-Feynman, virial, and scaling requisites for the exact universal density functionals. Shape of the correlation potential and diamagnetic susceptibility for atoms. AU - M Levy AU - JP Perdew PY - 1985 DO - 10.1103/physreva.32.2010 UR - https://pubmed.ncbi.nlm.nih.gov/9896312/ ID - 9896312 ER -