@book{MSM_1960__144__1_0,
     author = {Walsh, J. L.},
     title = {Approximation by bounded analytic functions},
     series = {M\'emorial des sciences math\'ematiques},
     publisher = {Gauthier-Villars},
     number = {144},
     year = {1960},
     mrnumber = {119001},
     zbl = {0094.04501},
     language = {en},
     url = {http://www.numdam.org/item/MSM_1960__144__1_0/}
}