TY  - RPRT
TI  - Efficient pseudopotentials for plane-wave calculations. II. Operators for fast iterative diagonalization.
AU  - N Troullier
AU  - JL Martins
PY  - 1991
DO  - 10.1103/physrevb.43.8861
UR  - https://pubmed.ncbi.nlm.nih.gov/9996554/
ID  - 9996554
ER  -