Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1978__16_134290, author = {F.W. Roush and K.H. Kim}, title = {Orders of subsemigroups of {Tn.}}, journal = {Semigroup forum}, pages = {203--203}, publisher = {mathdoc}, volume = {16}, year = {1978}, zbl = {0401.20061}, url = {http://geodesic.mathdoc.fr/item/SF_1978__16_134290/} }
F.W. Roush; K.H. Kim. Orders of subsemigroups of Tn.. Semigroup forum, Tome 16 (1978), p. 203. http://geodesic.mathdoc.fr/item/SF_1978__16_134290/