@article{10_4153_CJM_1972_098_6,
     author = {Digernes, Trond and Halpern, Herbert},
     title = {On {Open} {Projections} of {GCR} {Algebras}},
     journal = {Canadian journal of mathematics},
     pages = {978--982},
     year = {1972},
     volume = {24},
     number = {5},
     doi = {10.4153/CJM-1972-098-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-098-6/}
}