@article{1103040101,
author = {Kimura, Naoki},
title = {The structure of idempotent semigroups. I.},
journal = {Pacific J. Math.},
volume = {8},
number = {4},
year = {1958},
pages = { 257-275},
language = {en},
url = {http://dml.mathdoc.fr/item/1103040101}
}
Kimura, Naoki. The structure of idempotent semigroups. I.. Pacific J. Math., Tome 8 (1958) no. 4, pp. 257-275. http://gdmltest.u-ga.fr/item/1103040101/