@article{Ka_intersections,
author = {Karhumäki, J.},
journal = {Semigroup forum},
keywords = {intersection of free monoids; regular languages; finite alphabet},
pages = {183-206},
title = {A note on intersections of free submonoids of a free monoid.},
url = {http://eudml.org/doc/134681},
volume = {29},
year = {1984},
}

