Eliahu Shamir. A Representation Theorem for Algebraic and Context-Free Power Series in Noncommuting Variables. Inf. Comput., 11(1/2):239-254, July-August 1967.
@article{Shamir67,
title = {A Representation Theorem for Algebraic and Context-Free Power Series in Noncommuting Variables},
author = {Eliahu Shamir},
year = {1967},
month = {July-August},
tags = { algebra, context-aware},
researchr = {https://researchr.org/publication/Shamir67},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {11},
number = {1/2},
pages = {239-254},
}