@article{MZ_1959__72_183593,
     author = {J.L. Walsh},
     title = {Note on approximation by bounded analytic functions. {(Problem} ...).},
     journal = {Mathematische Zeitschrift},
     pages = {47--52},
     publisher = {mathdoc},
     volume = {72},
     year = {1959},
     zbl = {0088.28101},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__72_183593/}
}