@article{GDZPPN001258400, title = {A counter-example on *-embeddability into proper *-rings.}, journal = {Semigroup forum}, volume = {33}, year = {1986}, pages = {121-123}, zbl = {0608.20048}, url = {http://dml.mathdoc.fr/item/GDZPPN001258400} }
Shehadah, A.A. A counter-example on *-embeddability into proper *-rings.. Semigroup forum, Tome 33 (1986) pp. 121-123. http://gdmltest.u-ga.fr/item/GDZPPN001258400/