TY  - RPRT
TI  - T operators and their matrix elements for a general periodic potential.
AU  - E Badralexe
AU  - AJ Freeman
PY  - 1987
DO  - 10.1103/physrevb.36.1389
UR  - https://pubmed.ncbi.nlm.nih.gov/9942968/
ID  - 9942968
ER  -