Tommi Lehtinen, Alexander Okhotin. Homomorphisms Preserving Deterministic Context-Free Languages. Int. J. Found. Comput. Sci., 24(7):1049-1066, 2013. [doi]
@article{LehtinenO13, title = {Homomorphisms Preserving Deterministic Context-Free Languages}, author = {Tommi Lehtinen and Alexander Okhotin}, year = {2013}, doi = {10.1142/S0129054113400303}, url = {http://dx.doi.org/10.1142/S0129054113400303}, researchr = {https://researchr.org/publication/LehtinenO13}, cites = {0}, citedby = {0}, journal = {Int. J. Found. Comput. Sci.}, volume = {24}, number = {7}, pages = {1049-1066}, }