TY  - JOUR
TI  - The Real Spectrum of Higher Level of a Commutative Ring
JO  - Canadian journal of mathematics
PY  - 1992
SP  - 449
EP  - 462
VL  - 44
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-029-8/
DO  - 10.4153/CJM-1992-029-8
ID  - 10_4153_CJM_1992_029_8
ER  -