@article{MZ_1920__7_167584,
     author = {H., Hamburger},
     title = {Bemerkungen zu einer {Fragestellung} des {Herrn} {P\'olya}},
     journal = {Mathematische Zeitschrift},
     pages = {302--322},
     publisher = {mathdoc},
     volume = {7},
     year = {1920},
     zbl = {47.0304.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1920__7_167584/}
}