@article{1195523380, author = {Is\'eki, Kiyoshi}, title = {On $\left( m, n \right)$-mutant in semigroup}, journal = {Proc. Japan Acad.}, volume = {38}, number = {10}, year = {1962}, pages = { 269-270}, language = {en}, url = {http://dml.mathdoc.fr/item/1195523380} }
Iséki, Kiyoshi. On $\left( m, n \right)$-mutant in semigroup. Proc. Japan Acad., Tome 38 (1962) no. 10, pp. 269-270. http://gdmltest.u-ga.fr/item/1195523380/