TY - RPRT TI - pi kinks in a parametrically driven sine-Gordon chain. AU - YS Kivshar AU - N Gronbech-Jensen AU - MR Samuelsen PY - 1992 DO - 10.1103/physrevb.45.7789 UR - https://pubmed.ncbi.nlm.nih.gov/10000587/ ID - 10000587 ER -