Erich Grädel, Lovro Mrkonjic. Elementary Equivalence Versus Isomorphism in Semiring Semantics. In Nikhil Bansal, Emanuela Merelli, James Worrell 0001, editors, 48th International Colloquium on Automata, Languages, and Programming, ICALP 2021, July 12-16, 2021, Glasgow, Scotland (Virtual Conference). Volume 198 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2021. [doi]
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