@article{MZ_1918__1_167453,
     author = {H., Hahn},
     title = {\"Uber das {Interpolationsproblem}},
     journal = {Mathematische Zeitschrift},
     pages = {115--142},
     publisher = {mathdoc},
     volume = {1},
     year = {1918},
     zbl = {46.0426.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1918__1_167453/}
}