@article{GDZPPN001248723, title = {(0,1) - Matrices and semigroups of ring endomorphisms.}, journal = {Semigroup forum}, volume = {4}, year = {1972}, pages = {160-166}, zbl = {0259.20062}, url = {http://dml.mathdoc.fr/item/GDZPPN001248723} }
Maxson, C.J. (0,1) - Matrices and semigroups of ring endomorphisms.. Semigroup forum, Tome 4 (1972) pp. 160-166. http://gdmltest.u-ga.fr/item/GDZPPN001248723/