Certified Foata normalization for generalized tracesMaarand, Hendrik; Uustalu, TarmoNASA Formal Methods Symposium : 10th International Symposium, NFM 2018, Newport News, VA, USA, April 17-19, 2018 : proceedings2018 / p. 299-314 https://doi.org/10.1007/978-3-319-77935-5_21 Conference Proceedings at Scopus Article at Scopus Conference Proceedings at WOS Article at WOS