@article{10_1017_S0017089500005115,
     author = {Conway, John B. and Hadwin, Donald W.},
     title = {Strong limits of normal operators},
     journal = {Glasgow mathematical journal},
     pages = {93--96},
     year = {1983},
     volume = {24},
     number = {1},
     doi = {10.1017/S0017089500005115},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005115/}
}