Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1975__11_134131, author = {R.B. Hora and Naoki Kimura}, title = {THE {DIRECT} {SUM} {OF} {SEMIGROUPS} {IS} {OF} {INNER} {TYPE}}, journal = {Semigroup forum}, pages = {95--101}, publisher = {mathdoc}, volume = {11}, year = {1975}, zbl = {0334.20034}, url = {http://geodesic.mathdoc.fr/item/SF_1975__11_134131/} }
R.B. Hora; Naoki Kimura. THE DIRECT SUM OF SEMIGROUPS IS OF INNER TYPE. Semigroup forum, Tome 11 (1975), pp. 95-101. http://geodesic.mathdoc.fr/item/SF_1975__11_134131/