@article{MAN_1967__172_161594,
     author = {W.M. BOGDANOWICZ and J.N. Welch},
     title = {On a {Linear} {Operator} {Connected} with {Almost} {Periodic} {Solutions} of a {Linear} {Differential} {Equations} in {Banach} {Spaces}},
     journal = {Mathematische Annalen},
     pages = {327--336},
     publisher = {mathdoc},
     volume = {172},
     year = {1967},
     zbl = {0211.16201},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__172_161594/}
}