@article{1250128325,
author = {Farahat, H.K.},
title = {Additions compatible with multiplication},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 299-304},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128325}
}
Farahat, H.K. Additions compatible with multiplication. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 299-304. http://gdmltest.u-ga.fr/item/1250128325/