@article{CM_1973__26_2_95_0,
     author = {Cleaver, Charles E.},
     title = {A characterization of spectral operators of finite type},
     journal = {Compositio Mathematica},
     pages = {95--99},
     publisher = {Noordhoff International Publishing},
     volume = {26},
     number = {2},
     year = {1973},
     mrnumber = {320802},
     zbl = {0255.47042},
     language = {en},
     url = {http://www.numdam.org/item/CM_1973__26_2_95_0/}
}