• Reordering derivatives of trace closures of regular languages [Online resource]Maarand, Hendrik; Uustalu, Tarmo30th International Conference on Concurrency Theory : (CONCUR 2019)2019 / art. 40 ; 40:1–40:16 https://doi.org/10.4230/LIPIcs.CONCUR.2019.40 https://www.scopus.com/sourceid/21100244929 https://www.scopus.com/record/display.uri?eid=2-s2.0-85071609227&origin=inward&txGid=744304a9fedf8eba5714cdb0ce382fe3