Daniel Krob. Some Examples of Formal Series Used in Non-Commutative Algebra. Theoretical Computer Science, 79(1):111-135, 1991.
@article{Krob91,
title = {Some Examples of Formal Series Used in Non-Commutative Algebra},
author = {Daniel Krob},
year = {1991},
tags = { algebra},
researchr = {https://researchr.org/publication/Krob91},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {79},
number = {1},
pages = {111-135},
}