@article{MAN_1941__118_160079,
     author = {E. Lammel},
     title = {\"Uber {Approximation} meromorpher {Funktionen} durch rationale {Funktionen}},
     journal = {Mathematische Annalen},
     pages = {134--144},
     year = {1941},
     volume = {118},
     zbl = {0024.41901},
     url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160079/}
}