TY  - RPRT
TI  - Gradient-free exchange-correlation functional beyond the local-spin-density approximation.
AU  - EI Proynov
AU  - A Vela
AU  - DR Salahub
PY  - 1994
DO  - 10.1103/physreva.50.3766
UR  - https://pubmed.ncbi.nlm.nih.gov/9911343/
ID  - 9911343
ER  -