@article{10_1017_S0017089500030937,
     author = {Laursen, Kjeld B. and Neumann, Michael M.},
     title = {Local spectral theory and spectral inclusions},
     journal = {Glasgow mathematical journal},
     pages = {331--343},
     year = {1994},
     volume = {36},
     number = {3},
     doi = {10.1017/S0017089500030937},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030937/}
}