TY  - RPRT
TI  - Nonlinear complex eikonal approximation: Optical bistability in absorbing media.
AU  - M Orenstein
AU  - J Katriel
AU  - S Speiser
PY  - 1987
DO  - 10.1103/physreva.35.1192
UR  - https://pubmed.ncbi.nlm.nih.gov/9898260/
ID  - 9898260
ER  -