TY - JOUR AU - Giles, R. AU - Kummer, H. TI - A Matrix Representation of a Pair of Projections in a Hilbert Space JO - Canadian mathematical bulletin PY - 1971 SP - 35 EP - 44 VL - 14 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-006-5/ DO - 10.4153/CMB-1971-006-5 ID - 10_4153_CMB_1971_006_5 ER -