@article{MZ_1929__29_168099,
     author = {S. Bochner},
     title = {\"Uber {Sturm-Liouvillesche} {Polynomsysteme.}},
     journal = {Mathematische Zeitschrift},
     pages = {730--736},
     publisher = {mathdoc},
     volume = {29},
     year = {1929},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1929__29_168099/}
}