Clarence A. Ellis. Probabilistic Tree Automata. Inf. Comput., 19(5):401-416, December 1971.
@article{Ellis71, title = {Probabilistic Tree Automata}, author = {Clarence A. Ellis}, year = {1971}, month = {December}, researchr = {https://researchr.org/publication/Ellis71}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {19}, number = {5}, pages = {401-416}, }