@article{MS2_1980__47_166732,
     author = {Elliot C. Gootman and Dorte Olesen},
     title = {Spectra of actions on type {I} {C*-algebras.}},
     journal = {Mathematica Scandinavica},
     pages = {329--350},
     publisher = {mathdoc},
     volume = {47},
     year = {1980},
     zbl = {0471.46049},
     url = {http://geodesic.mathdoc.fr/item/MS2_1980__47_166732/}
}