TY  - RPRT
TI  - Lamb-shift calculations for non-Coulomb potentials.
AU  - KT Cheng
AU  - WR Johnson
AU  - J Sapirstein
PY  - 1993
DO  - 10.1103/physreva.47.1817
UR  - https://pubmed.ncbi.nlm.nih.gov/9909134/
ID  - 9909134
ER  -