TY  - JOUR
AU  - Johnson, Nancy
TI  - Rice Theorems for ∑n -1 Sets
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 794
EP  - 805
VL  - 29
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-082-3/
DO  - 10.4153/CJM-1977-082-3
ID  - 10_4153_CJM_1977_082_3
ER  -