@article{MAN_1973__203_162443,
     author = {M. Breuer and R.S. Butcher},
     title = {A {Generalized} {Riesz-Schauder} {Decomposition} {Theorem.}},
     journal = {Mathematische Annalen},
     pages = {221--230},
     publisher = {mathdoc},
     volume = {203},
     year = {1973},
     zbl = {0241.46061},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__203_162443/}
}