TY - RPRT TI - Nonlinear amplifier and frequency shifter using a tunable periodic drive. AU - Sergey Savel'ev AU - A L Rakhmanov AU - Franco Nori PY - 2005 DO - 10.1103/physreve.72.056136 UR - https://pubmed.ncbi.nlm.nih.gov/16383717/ ID - 16383717 ER -