@book{MSM_1935__73__1_0,
     author = {Walsh, J. L.},
     title = {Approximation by polynomials in the complex domain},
     series = {M\'emorial des sciences math\'ematiques},
     publisher = {Gauthier-Villars},
     number = {73},
     year = {1935},
     zbl = {0011.29801},
     language = {en},
     url = {http://archive.numdam.org/item/MSM_1935__73__1_0/}
}