@article{SF_1986__34_134832,
     author = {A.A. Shehadah},
     title = {A counter-example on *-embeddability into proper *-rings.},
     journal = {Semigroup forum},
     pages = {121--123},
     publisher = {mathdoc},
     volume = {34},
     year = {1986},
     zbl = {0608.20048},
     url = {http://geodesic.mathdoc.fr/item/SF_1986__34_134832/}
}