@article{MAN_1937__114_159933,
     author = {E. Wilson},
     title = {A note on a theorem of {Szeg\"o}},
     journal = {Mathematische Annalen},
     pages = {540--542},
     publisher = {mathdoc},
     volume = {114},
     year = {1937},
     zbl = {0016.30804},
     url = {http://geodesic.mathdoc.fr/item/MAN_1937__114_159933/}
}