@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/