TY  - BOOK
AU  - Allenby,R.B.J.T.
TI  - Rings, fields and groups: an introduction to abstract algebra 
SN  - 0340544406
PY  - 1991///
CY  - London
PB  - Arnold
KW  - Álgebra abstracta
KW  - Anillos (Álgebra)
KW  - Cuerpos algebraicos
KW  - Variedades algebraicas
ER  -