TY  - RPRT
TI  - Causality with noncausal optical potentials.
AU  - VA Madsen
AU  - KI Goldman
PY  - 1995
DO  - 10.1103/physrevc.51.2011
UR  - https://pubmed.ncbi.nlm.nih.gov/9970270/
ID  - 9970270
ER  -