Alexandru Mateescu, Arto Salomaa, Sheng Yu. Subword histories and Parikh matrices. J. Comput. Syst. Sci., 68(1):1-21, 2004. [doi]
@article{MateescuSY04,
title = {Subword histories and Parikh matrices},
author = {Alexandru Mateescu and Arto Salomaa and Sheng Yu},
year = {2004},
doi = {10.1016/j.jcss.2003.04.001},
url = {http://dx.doi.org/10.1016/j.jcss.2003.04.001},
tags = {history},
researchr = {https://researchr.org/publication/MateescuSY04},
cites = {0},
citedby = {0},
journal = {J. Comput. Syst. Sci.},
volume = {68},
number = {1},
pages = {1-21},
}