@article{CMUC_1978__19_1_a4,
     author = {Sato, Ryotaro},
     title = {Convex combinations of commuting affine operators},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {45--51},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1978},
     mrnumber = {0482295},
     zbl = {0374.47003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1978__19_1_a4/}
}