Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1975__11_134145, author = {Boris M. Schein}, title = {Products {OF} {IDEMPOTENT} {ORDER-PRESERVING} {TRANSFORMATIONS} {OF} {ARBITRARY} {CHAINS.}}, journal = {Semigroup forum}, pages = {297--309}, publisher = {mathdoc}, volume = {11}, year = {1975}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SF_1975__11_134145/} }
Boris M. Schein. Products OF IDEMPOTENT ORDER-PRESERVING TRANSFORMATIONS OF ARBITRARY CHAINS.. Semigroup forum, Tome 11 (1975), pp. 297-309. http://geodesic.mathdoc.fr/item/SF_1975__11_134145/