TY - JOUR TI - Modularity in the Lattice of Projections of a von Neumann Algebra JO - Canadian journal of mathematics PY - 1984 SP - 1021 EP - 1030 VL - 36 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1984-058-6/ DO - 10.4153/CJM-1984-058-6 ID - 10_4153_CJM_1984_058_6 ER -