@article{10_1017_S0017089502020153,
     author = {Ghaemi, M. B.},
     title = {On some classes of {AC-operators}},
     journal = {Glasgow mathematical journal},
     pages = {329--338},
     year = {2002},
     volume = {44},
     number = {2},
     doi = {10.1017/S0017089502020153},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089502020153/}
}