William T. Spears, Barbara Jeffcott, D. M. Jackson. An Algebraic Theory of Sequence Enumeration. Journal of Combinatorial Theory, Series A, 28(2):191-218, 1980.
@article{SpearsJJ80,
title = {An Algebraic Theory of Sequence Enumeration},
author = {William T. Spears and Barbara Jeffcott and D. M. Jackson},
year = {1980},
tags = { algebra},
researchr = {https://researchr.org/publication/SpearsJJ80},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {28},
number = {2},
pages = {191-218},
}