Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1975__10_134097, author = {G. Thierrin}, title = {A mode of decomposition of regular languages.}, journal = {Semigroup forum}, pages = {32--38}, publisher = {mathdoc}, volume = {10}, year = {1975}, zbl = {0307.68060}, url = {http://geodesic.mathdoc.fr/item/SF_1975__10_134097/} }
G. Thierrin. A mode of decomposition of regular languages.. Semigroup forum, Tome 10 (1975), pp. 32-38. http://geodesic.mathdoc.fr/item/SF_1975__10_134097/