@article{1195519865,
author = {Tamura, Takayuki and Hamilton, Howard B.},
title = {Commutative semigroups with greatest group-homomorphism},
journal = {Proc. Japan Acad.},
volume = {47},
number = {10},
year = {1971},
pages = { 671-675},
language = {en},
url = {http://dml.mathdoc.fr/item/1195519865}
}
Tamura, Takayuki; Hamilton, Howard B. Commutative semigroups with greatest group-homomorphism. Proc. Japan Acad., Tome 47 (1971) no. 10, pp. 671-675. http://gdmltest.u-ga.fr/item/1195519865/