@article{10_4153_CMB_1971_006_5,
     author = {Giles, R. and Kummer, H.},
     title = {A {Matrix} {Representation} of a {Pair} of {Projections} in a {Hilbert} {Space}},
     journal = {Canadian mathematical bulletin},
     pages = {35--44},
     year = {1971},
     volume = {14},
     number = {1},
     doi = {10.4153/CMB-1971-006-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-006-5/}
}