TY  - RPRT
TI  - Soft self-consistent pseudopotentials in a generalized eigenvalue formalism.
AU  - D Vanderbilt
PY  - 1990
DO  - 10.1103/physrevb.41.7892
UR  - https://pubmed.ncbi.nlm.nih.gov/9993096/
ID  - 9993096
ER  -