@article{10_4064_ap_25_3_273_280,
     author = {W. Mlak},
     title = {Partitions of spectral sets},
     journal = {Annales Polonici Mathematici},
     pages = {273--280},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1971},
     doi = {10.4064/ap-25-3-273-280},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-25-3-273-280/}
}