@article{1195523292,
author = {Is\'eki, Kiyoshi},
title = {On mutant sets in semigroups},
journal = {Proc. Japan Acad.},
volume = {38},
number = {10},
year = {1962},
pages = { 478-479},
language = {en},
url = {http://dml.mathdoc.fr/item/1195523292}
}
Iséki, Kiyoshi. On mutant sets in semigroups. Proc. Japan Acad., Tome 38 (1962) no. 10, pp. 478-479. http://gdmltest.u-ga.fr/item/1195523292/