Arto Salomaa. Counting (scattered) Subwords. Bulletin of the EATCS, 81:165-179, 2003.
@article{Salomaa03:0,
title = {Counting (scattered) Subwords},
author = {Arto Salomaa},
year = {2003},
researchr = {https://researchr.org/publication/Salomaa03%3A0},
cites = {0},
citedby = {0},
journal = {Bulletin of the EATCS},
volume = {81},
pages = {165-179},
}