TY  - JOUR
AU  - Digernes, Trond
AU  - Halpern, Herbert
TI  - On Open Projections of GCR Algebras
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 978
EP  - 982
VL  - 24
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-098-6/
DO  - 10.4153/CJM-1972-098-6
ID  - 10_4153_CJM_1972_098_6
ER  -