Karel Culik II, Juhani Karhumäki. The Equivalence of Finite Valued Transducers (On HDT0L Languages) is Decidable. Theoretical Computer Science, 47(3):71-84, 1986.
@article{CulikK86, title = {The Equivalence of Finite Valued Transducers (On HDT0L Languages) is Decidable}, author = {Karel Culik II and Juhani Karhumäki}, year = {1986}, researchr = {https://researchr.org/publication/CulikK86}, cites = {0}, citedby = {0}, journal = {Theoretical Computer Science}, volume = {47}, number = {3}, pages = {71-84}, }