TY  - DATA
AU  - McDonald, Bernard R.
TI  - R-linear endomorphisms of (R) [subscript n] preserving invariants 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470406974 (online)
PY  - 1983///]
CY  - Providence, R.I., USA
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0287
ER  -