@article{SF_1981__23_134526,
     author = {C. Reutenauer},
     title = {Semisimplicity of the algebra associated to a biprefix code.},
     journal = {Semigroup forum},
     pages = {327--342},
     publisher = {mathdoc},
     volume = {23},
     year = {1981},
     zbl = {0481.68076},
     url = {http://geodesic.mathdoc.fr/item/SF_1981__23_134526/}
}