Leon S. Levy, Aravind K. Joshi. Some Results in Tree Automata. Theory Comput. Syst., 6(4):334-342, 1972.
@article{LevyJ72, title = {Some Results in Tree Automata}, author = {Leon S. Levy and Aravind K. Joshi}, year = {1972}, researchr = {https://researchr.org/publication/LevyJ72}, cites = {0}, citedby = {0}, journal = {Theory Comput. Syst.}, volume = {6}, number = {4}, pages = {334-342}, }