References
- Chatters , A.W. 1992 . Matrices, idealisers, and integer quaternions . J. of Algebra , 150 : 45 – 56 .
- Chatters , A.W. 1992 . A ring-theorist's introduction to the quaternions , 150 : 93
- Dickson , L.E. 1920 . Arithmetic of quaternions . Proc. London Math. Soc , 20 : 225 – 232 .
- Levy , L.S. , Robson , J.C. and Stafford , J.T. Hidden matrices
- Pierce , R.S. 1982 . Associative algebras , Springer-Verlag .
- Robson , J.C. 1972 . Idealizers and hereditary Noetherian prime rings . J. of Algebra , 22 : 45 – 81 .