- Barnes , W.E. 1966 . E. On the Γ-rings of Nobusawa . Pacific J. Math. , 18 : 411 – 422 .
- Beaumont , R.A. 1948 . A. Rings with additive group which is the direct sum of cyclic groups, . Duke Math. J. , 15 : 367 – 369 .
- Booth , G.L. and Groenewald , N.J. 1988 . On uniformly strongly prime gamma rings . Bull. Austral. Math. Soc. , 37 : 437 – 445 .
- Fletchor , C.R. 1980 . Rings of small order, . Math. Gaz. , 84 : 9 – 22 .
- Fuchs , L. 1973 . “ Infinite abelian groups, ” . Vol. 2 , New York, : Academic Press, .
- Hardy , F.L. 1963 . On groups of ring multiplications, . Acta Math. Hungar. , 14 : 283 – 294 .
- Kyuno , S. 1979 . S. A gamma ring with the right and left unities, . Math. Japon. , 24 : 191 – 193 .
- Nobusawa , N. 1964 . On a generalization of the ring theory, . Osaka J. Math. , 1 : 81 – 89 .
Communications in Algebra
Volume 20, 1992 - Issue 12