• Towards integrability for nonlinear time-delay systemsKaldmäe, Arvo; Moog, Claude H.; Califano, ClaudiaIFAC-Papers OnLine2015 / p. 900-905 https://doi.org/10.1016/j.ifacol.2015.09.305 https://www.scopus.com/sourceid/21100456158 https://www.scopus.com/record/display.uri?eid=2-s2.0-84992525061&origin=inward&txGid=39c69e30f6dd68ec18f474759ac81d5e