Friedrich Otto, Andrea Sattler-Klein. The Property Fdt is Undecidable for Finitely Presented Monoids that Have Polynomial-Time Decidable Word Problems. IJAC, 10(3):285-308, 2000. [doi]
@article{OttoS00,
title = {The Property Fdt is Undecidable for Finitely Presented Monoids that Have Polynomial-Time Decidable Word Problems},
author = {Friedrich Otto and Andrea Sattler-Klein},
year = {2000},
doi = {10.1142/S0218196700000108},
url = {http://dx.doi.org/10.1142/S0218196700000108},
researchr = {https://researchr.org/publication/OttoS00},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {10},
number = {3},
pages = {285-308},
}