TY - RPRT TI - Forbidden bifurcations and parametric amplification in a Josephson-junction array. AU - S Nichols AU - K Wiesenfeld PY - 1993 DO - 10.1103/physreve.48.2569 UR - https://pubmed.ncbi.nlm.nih.gov/9960891/ ID - 9960891 ER -