Michael A. Arbib, Ernest G. Manes. Intertwined Recursion, Tree Transformations, and Linear Systems. Inf. Comput., 40(2):144-180, February 1979.
@article{ArbibM79, title = {Intertwined Recursion, Tree Transformations, and Linear Systems}, author = {Michael A. Arbib and Ernest G. Manes}, year = {1979}, month = {February}, tags = {transformation system, transformation}, researchr = {https://researchr.org/publication/ArbibM79}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {40}, number = {2}, pages = {144-180}, }