TY  - RPRT
TI  - Towards a potential-based conjugate gradient algorithm for order-N self-consistent total energy calculations.
AU  - X Gonze
PY  - 1996
DO  - 10.1103/physrevb.54.4383
UR  - https://pubmed.ncbi.nlm.nih.gov/9986376/
ID  - 9986376
ER  -