TY - RPRT TI - Quantum theory of optical multistability in a two-photon three-level Lambda -configuration medium. AU - Z Wang AU - W Guo AU - S Zheng PY - 1992 DO - 10.1103/physreva.46.7235 UR - https://pubmed.ncbi.nlm.nih.gov/9908059/ ID - 9908059 ER -