@article{10_4153_CMB_1996_054_4,
     author = {Phillips, John},
     title = {Self-Adjoint {Fredholm} {Operators} {And} {Spectral} {Flow}},
     journal = {Canadian mathematical bulletin},
     pages = {460--467},
     year = {1996},
     volume = {39},
     number = {4},
     doi = {10.4153/CMB-1996-054-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1996-054-4/}
}