Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1971__3_133863, author = {B. Tilson}, title = {Decomposition and complexity of finite semigroups.}, journal = {Semigroup forum}, pages = {189--250}, publisher = {mathdoc}, volume = {3}, year = {1971}, zbl = {0226.20060}, url = {http://geodesic.mathdoc.fr/item/SF_1971__3_133863/} }
B. Tilson. Decomposition and complexity of finite semigroups.. Semigroup forum, Tome 3 (1971), pp. 189-250. http://geodesic.mathdoc.fr/item/SF_1971__3_133863/