TY - RPRT TI - Multilevel systems: Simultaneously forbidden combination resonances. AU - VN Smelyanskiy AU - GW Ford AU - RS Conti PY - 1996 DO - 10.1103/physreva.53.2598 UR - https://pubmed.ncbi.nlm.nih.gov/9913172/ ID - 9913172 ER -