@article{CMH_1971__46_139489,
     author = {C.R. Putnam and K.F. Clancey},
     title = {The {Spectra} of {Hyponormal} {Integral} {Operators}},
     journal = {Commentarii mathematici Helvetici},
     pages = {451},
     publisher = {mathdoc},
     volume = {46},
     year = {1971},
     zbl = {0228.47035},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/CMH_1971__46_139489/}
}