@article{GDZPPN001262246,
title = {Matrix representable so-rings.},
journal = {Semigroup forum},
volume = {46},
year = {1993},
pages = {37-47},
zbl = {0766.06017},
url = {http://dml.mathdoc.fr/item/GDZPPN001262246}
}
Acharyulu, G.V.S. Matrix representable so-rings.. Semigroup forum, Tome 46 (1993) pp. 37-47. http://gdmltest.u-ga.fr/item/GDZPPN001262246/