@article{GDZPPN001255274,
title = {Semisimplicity of the algebra associated to a biprefix code.},
journal = {Semigroup forum},
volume = {23},
year = {1981},
pages = {327-342},
zbl = {0481.68076},
url = {http://dml.mathdoc.fr/item/GDZPPN001255274}
}
Reutenauer, C. Semisimplicity of the algebra associated to a biprefix code.. Semigroup forum, Tome 23 (1981) pp. 327-342. http://gdmltest.u-ga.fr/item/GDZPPN001255274/