@article{GDZPPN001248154, title = {On semigroups of Boolean ring endomorphisms.}, journal = {Semigroup forum}, volume = {4}, year = {1972}, pages = {78-82}, zbl = {0262.06011}, url = {http://dml.mathdoc.fr/item/GDZPPN001248154} }
Maxson, C.J. On semigroups of Boolean ring endomorphisms.. Semigroup forum, Tome 4 (1972) pp. 78-82. http://gdmltest.u-ga.fr/item/GDZPPN001248154/