@article{MAN_1919__79_158801,
     author = {G. Szeg\"o},
     title = {\"Uber trigonometrische and harmonische {Polynome.}},
     journal = {Mathematische Annalen},
     pages = {323--339},
     publisher = {mathdoc},
     volume = {79},
     year = {1919},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1919__79_158801/}
}