Jerome A. Feldman. Some Decidability Results on Grammatical Inference and Complexity. Inf. Comput., 20(3):244-262, April 1972.
@article{Feldman72, title = {Some Decidability Results on Grammatical Inference and Complexity}, author = {Jerome A. Feldman}, year = {1972}, month = {April}, researchr = {https://researchr.org/publication/Feldman72}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {20}, number = {3}, pages = {244-262}, }